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62 Highlights 44 Differences 7 Reactions 0 Likes
AKG C451 B vs Shure SM81: 62 Highlights & 44 Differences — So, Which Microphone Actually Works Better
See which microphone fits your setup and portability needs. Still unsure between AKG C451 B and Shure SM81? We compared their connection interface, onboard controls, body material & stand/tripod, feel, and feedback from real users so you can make a confident choice.
AKG C451 B vs Shure SM81: A Studio Microphone Showdown
When deciding between the AKG C451 B and Shure SM81, you're looking at two revered small diaphragm condenser microphones tailored primarily for studio use. Both employ a cardioid polar pattern and cover the full audible range of 20 Hz to 20 kHz, ideal for precise instrument capture. Yet, their core distinctions revolve around size, sensitivity, control features, and price. The AKG opts for a sleek, lightweight pencil-style form factor with a studio-grade, transformerless design. In contrast, the Shure leans into tradition with a more rugged handheld build, transformer-based circuitry, and enhanced onboard controls suited for live and broadcast scenarios.
The Compact Powerhouse: AKG C451 B
The AKG C451 B stands out as an elite choice for those who prioritize detail and dynamic handling in a compact package. Its 6.3-inch length and featherweight 0.28 lbs enable discreet placement in tight studio spaces or on boom arms without cumbersome bulk. Boasting a higher sensitivity of -41 dBV and a remarkable maximum SPL of 155 dB, it's adept at capturing subtle nuances and coping with very loud sound sources without distortion. The inclusion of a 20 dB pre-attenuation pad offers flexibility in handling transients.
Its studio-grade internal preamp and transformerless construction deliver a transparent, accurate tonal signature favored in detailed instrument recording. Additionally, its 150 Hz cutoff low-cut filter is more aggressive in reducing low-frequency rumble. The detachable XLR cable adds convenience for portable setups. Although minimalist in onboard controls (limited to basic switches), it supports an external power supply and consumes very low power (0.09 W), enhancing studio energy efficiency. Its elegantly finished brass body with nickel coating combines lightness and durability, and the package includes adapters and protective accessories.
Shure SM81: A Rugged Contender with Broadcast-Ready Features
The Shure SM81 appeals to professionals needing a versatile mic that performs reliably in both studio and live broadcast environments. Considerably larger and heavier at 8.34 inches and 0.47 lbs, its steel construction, paired with a corrosion-resistant finish, ensures toughness for road-worthy use. The higher signal-to-noise ratio of 78 dB guarantees a cleaner recording with less background hiss, especially valuable in uncontrolled environments. While its maximum SPL of 136 dB and 10 dB pad are lower than AKG's, it maintains excellent handling for most typical studio and live sources without distortion. The microphone features a low-cut filter set at 80 Hz, offering a gentler roll-off of low frequencies compared to AKG.
What really separates the SM81 is its thoughtful array of integrated buttons and knobs, including mute, gain control, headphone monitoring, and monitoring mix control. These features enable precise live adjustments and enhanced feedback management directly from the mic, a boon for broadcasters and live performers. Its robust internal shock mount and foam internal dampening also reduce handling noise effectively—additionally, the Shure SM81 sports RF interference shielding to minimize hum and buzz in crowded RF environments.
Shure provides a comprehensive package including cables and a stand/tripod, as well as long-term service with spare parts readily available, which is an advantage for lasting reliability. It also holds professional broadcast certification, ensuring compliance with industry standards, a feature absent in the AKG. Furthermore, the SM81 supports smart assistant integration (Alexa, Google Assistant), gearing it towards modern studio ecosystems.
Quick Take
The AKG C451 B shines for detailed studio instrument capture with exceptional maximum SPL and a highly sensitive, transformerless design perfect for audiophiles and precision recordings. Meanwhile, the Shure SM81 impresses with ruggedness, superior noise rejection, and a suite of onboard controls that make it a flexible tool across studio, live, and broadcast applications.
Bottom Line
Choosing the AKG C451 B means opting for a premium, compact microphone tailored to high-fidelity instrument recordings requiring subtlety and wide dynamic range handling. On the other hand, the Shure SM81 delivers excellent value with durable construction, versatile live and studio features, and professional certification, ideal for users needing practical control and reliability at a fraction of the price.
Both mics offer stellar performance within their niches. Still, your decision boils down to whether you prioritize ultimate sound precision and portability (AKG) or robust, feature-rich versatility with broadcast credentials (Shure).
Verdict
Winner:AKG C451 B; Best for studio professionals seeking exquisite detail, top SPL handling, and a lightweight design.
Runner-up:Shure SM81. Ideal for live, broadcast, and studio users who value ruggedness, onboard controls, and excellent noise rejection at a more accessible price.
Side by side. The numbers. The features. No drama.
Trying to decide between AKG C451 B and Shure SM81? We cover specs, sound performance, quirks, crowd favorites, and which microphone gives better bang for your buck.
The microphone features a Cardioid polar pattern, which means it is most sensitive to sounds coming from the front and rejects sounds from the sides and rear, making it ideal for isolating specific sound sources.
Identifies the default pickup pattern.
In the battle of Polar Pattern Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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User Skill Level features intermediate and professional for Audix ADX51 but professional only for Shure SM81, indicating targeted expertise.
Recommended audience expertise level.
In the battle of User Skill Level, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Product Type
What is the product type?
73 AKG C451 B 0Votes Condenser
70 Shure SM81 0Votes Condenser
vs Product Type
The Product Type of both Audix ADX51 and Shure SM81 is Condenser, making them suitable for high-quality audio recording in professional settings.
Defines the basic category of the microphone.
In the battle of Product Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Model Name
What is the model name?
55 AKG C451 B 0Votes C451 B
69 Shure SM81 0Votes SM81
vs Model Name
Model Name differs with Audix ADX51 named 'ADX51' and Shure's as 'SM81', reflecting their distinct brand models for varied user preferences.
The specific product identifier from the manufacturer.
In the battle of Model Name, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering lower 14 score measurement.
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Intended Use
What is the intended use?
63 AKG C451 B 0Votes Studio, Instrument
75 Shure SM81 0Votes Studio, Live, Broadcast
vs Intended Use
Intended Use for Audix ADX51 is broader ('Studio,Live,Broadcast,Instrument') versus Shure SM81's ('Studio,Live,Broadcast'), favoring more versatile applications.
Describes the primary application area.
In the battle of Intended Use, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering lower 12 score measurement.
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Compatibility
Which devices or platforms are compatible?
15 AKG C451 B 0Votes Mixer, Audio Interface, PA System
This microphone is compatible with Mixers, Audio Interfaces, and PA Systems, making it versatile for various professional audio setups.
Lists supported platforms and devices.
In the battle of Compatibility, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering lower 28 score measurement.
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Mounting Type
What is the mounting type?
48 AKG C451 B 0Votes Stand, Boom Arm
30 Shure SM81 0Votes Stand
vs Mounting Type
Mounting Type differs: Audix uses a Clip, Shure uses a Stand, affecting mounting flexibility for users.
The typical mounting or support style.
In the battle of Mounting Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 18 score measurement.
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Series/Line
What series/line does it belong to?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
50 Shure SM81 0Votes SM Series
vs Series/Line
Series/Line for Audix ADX51 is not available, whereas Shure SM81 belongs to the SM Series, indicating a well-established product line.
Identifies the product line or collection the microphone belongs to.
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Year of Release
What year was it released?
13 AKG C451 B 0Votes 1993
5 Shure SM81 0Votes 1978
Indicates when the microphone was launched.
In the battle of Year of Release, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Country of Origin
What is the country of origin?
68 AKG C451 B 0Votes Austria
80 Shure SM81 0Votes United States
Manufacturing or design origin.
In the battle of Country of Origin, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering lower 12 score measurement.
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Form Factor
What is the form factor?
58 AKG C451 B 0Votes Pencil-Style
50 Shure SM81 0Votes Handheld
vs Form Factor
Form Factor for both is Handheld, ensuring similar handling in use.
Describes the physical style of the microphone.
In the battle of Form Factor, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Connectivity Type
What is the connectivity type?
28 AKG C451 B 0Votes Wired, XLR
25 Shure SM81 0Votes Wired, XLR
vs Connectivity Type
Connectivity Type for Audix ADX51 is Wired only, while Shure SM81 uses 'Wired,XLR', offering potentially more standardized professional connections.
Defines how the microphone connects to devices.
In the battle of Connectivity Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Color Options
What are the color options?
58 AKG C451 B 0Votes Silver
40 Shure SM81 0Votes Black
vs Color Options
Color Options for both are Black, catering to professional and stage aesthetic preferences.
Available product colors.
In the battle of Color Options, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 18 score measurement.
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Gender Target
What is the gender target?
93 AKG C451 B 0Votes Unisex
90 Shure SM81 0Votes Unisex
vs Gender Target
Gender Target is Unisex for both, suitable for all users.
The marketing target by gender (if specified).
In the battle of Gender Target, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Age Group
What is the age group?
93 AKG C451 B 0Votes Professional
70 Shure SM81 0Votes Adult, Professional
vs Age Group
Age Group is 'Adult,Professional' for Audix, while Shure targets 'Adult,Professional' as well, aligning with professional markets.
The intended user age bracket.
In the battle of Age Group, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 23 score measurement.
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Recording Application Category
What recording applications is it best for?
43 AKG C451 B 0Votes Studio
48 Shure SM81 0Votes Studio, Live, Broadcasting
vs Recording Application Category
Recording Application Category shows Audix covers 'Studio,Live,Broadcast,Field Recording' and Shure 'Studio,Live,Broadcasting'; Audix is slightly broader.
Specific contexts where the mic is best suited.
In the battle of Recording Application Category, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering lower 5 score measurement.
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Launch Region
Where is it available?
93 AKG C451 B 0Votes Global
90 Shure SM81 0Votes Global
vs Launch Region
Launch Region is Global for both, indicating worldwide availability.
Where the product is primarily available.
In the battle of Launch Region, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Limited Edition
Is it a limited/special edition?
No 0Votes AKG C451 B
No 0Votes Shure SM81
vs Limited Edition
Limited Edition status is No for both microphones.
Whether the model is a limited or special release.
In the battle of Limited Edition, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The length of the microphone capsule.
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Weight
What is the weight?
0.28 lbs 1Votes
0.47 lbs 0Votes
AKG C451 B
The Weight of 0.28 lbs (0.13 kg) making it lightweight and easy to position on stands or boom arms.
Shure SM81
Weighing only around 213 grams, the SM81 feels light and balanced in hand. Its low weight reduces strain when mounted on a boom or stand for long sessions.
The microphone’s physical weight.
In the battle of Weight, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering lower 0.2 lbs measurement.
Based on community votes for Weight, AKG C451 B ◉ earned 1 votes, more than Shure SM81 ◉, which got 0 votes.
The AKG's pencil-style form factor and super light weight are a game changer. At only 0.28 lbs it makes discreet placement so much easier and less cumbersome on boom arms. That's really convenient for studio setups.
See more
Width
What is the width?
0.83 inch 0Votes
1.63 inch 0Votes
vs Width
Width is significantly different: Audix at 0.77 inches versus Shure at 1.63 inches, suggesting a slimmer Audix.
The microphone’s overall width.
In the battle of Width, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering lower 0.8 inch measurement.
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Cable Length
What is the cable length?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
25 ft 0Votes
vs Cable Length
Cable Length: Audix lacks cable length info, while Shure has a 25 ft cable, favoring longer reach.
Length of the included or integrated cable.
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Mounting Thread Size
What is the mounting thread size?
83 AKG C451 B 0Votes 5/8"
80 Shure SM81 0Votes 5/8"
vs Mounting Thread Size
Mounting Thread Size is missing for Audix ADX51 but is 5/8
The thread size for mounting compatibility.
In the battle of Mounting Thread Size, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Height
What is the height?
6.3 inch 0Votes
8.34 inch 0Votes
The microphone’s overall height.
In the battle of Height, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering lower 2.0 inch measurement.
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Package Width
What is the package width?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The shipping package’s width.
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Package Depth
What is the package depth?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The shipping package’s depth.
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Stand/Arm Length
What is the stand/arm length?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Maximum length of included stand or boom arm.
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Capsule Diameter
What is the capsule diameter?
0.5 inch 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The diameter of the microphone capsule.
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Grill Diameter
What is the grill diameter?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The diameter of the protective microphone grill.
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Base Footprint Diameter
What is the base/stand footprint diameter?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Diameter of the microphone base or stand footprint.
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I gotta go with the Shure SM81 for its signal-to-noise ratio. A higher S/N ratio like 78 dB means a cleaner signal and less background hiss which is crucial for professional recordings. It just sounds quieter.
The AKG C451 B definitely wins on max SPL. Being able to handle 155 dB means it's super versatile for really loud sources without clipping. That's a huge plus for studio work.
The microphone features a Studio-Grade internal preamp, ensuring high-fidelity signal amplification with minimal noise before the signal reaches your audio interface.
Describes the built-in preamp’s fidelity.
In the battle of Internal Preamp Quality, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 33 score measurement.
Based on community votes for Internal Preamp Quality, AKG C451 B ◉ earned 1 votes, more than Shure SM81 ◉, which got 0 votes.
The AKG C451 B's studio-grade internal preamp is a major selling point for me. It means a more transparent and accurate sound right out of the box which is essential for detailed instrument recording. Shure's is just standard.
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The accuracy of selectable polar patterns.
Don’t keep it to yourself — be the first to react and review the Polar Pattern Switching Precision on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Frequency Response (Min)
What is the minimum frequency response?
20 Hz 0Votes
20 Hz 0Votes
vs Frequency Response (Min)
Frequency Response Min: Audix starts at 40 Hz, Shure starts lower at 20 Hz, meaning Shure can capture deeper bass frequencies.
The lowest frequency the mic can capture.
In the battle of Frequency Response (Min), AKG C451 B ◉ is same as Shure SM81 ◉ , delivering equal 20.00 Hz measurement.
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Output Impedance
What is the output impedance?
200 ohm 0Votes
150 ohm 0Votes
vs Output Impedance
Output Impedance: Audix is 100 ohms, Shure is higher at 150 ohms, affecting compatibility with audio equipment.
Electrical resistance of the microphone’s output.
In the battle of Output Impedance, AKG C451 B ◉ is worse than Shure SM81 ◉ , delivering higher 50.0 ohm measurement.
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Sensitivity
What is the sensitivity?
-41 dBV/Pa 0Votes
-45 dBV/Pa 0Votes
Shure SM81
Offers clear and accurate pickup for subtle sounds like strings or vocals. This sensitivity makes it great for professional studio recording.
Output level relative to sound pressure.
In the battle of Sensitivity, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 4.0 dBV/Pa measurement.
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Dynamic Range
What is the dynamic range?
117 dB 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
AKG C451 B
The Dynamic Range of 117 dB allows the microphone to capture a wide spectrum of sound levels, from quiet whispers to loud instruments, without distortion.
The range between quietest and loudest sounds captured.
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Stereo/Mono Mode
What mode is supported?
13 AKG C451 B 0Votes Mono
10 Shure SM81 0Votes Mono
vs Stereo/Mono Mode
Stereo/Mono Mode: Both are Mono, standard for this type of microphone.
Determines recording mode.
In the battle of Stereo/Mono Mode, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Transient Response
What is the transient response?
93 AKG C451 B 0Votes Fast
90 Shure SM81 0Votes Fast
AKG C451 B
The microphone exhibits a Fast transient response, allowing it to accurately capture the quick attack and decay of percussive sounds and instruments with high fidelity.
Ability to capture sudden sound changes.
In the battle of Transient Response, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Proximity Effect Control
Does it have proximity effect control?
Yes 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs Proximity Effect Control
Proximity Effect Control is No on Audix but Yes on Shure, allowing Shure users better control over bass boost effect.
Whether it has control for bass buildup at close range.
In the battle of Proximity Effect Control, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 4 score measurement.
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Microphone Type
What is the microphone type?
93 AKG C451 B 0Votes Condenser
90 Shure SM81 0Votes Condenser
Defines the operating principle of the microphone.
In the battle of Microphone Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Capsule Type
What is the capsule type?
68 AKG C451 B 0Votes Small Diaphragm
64 Shure SM81 0Votes Small Diaphragm
Specifies the capsule style that influences sound capture.
In the battle of Capsule Type, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 4 score measurement.
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Minimum Terminating Impedance
What is the minimum terminating impedance?
1,000 Ω 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The minimum load impedance required for optimal microphone performance and to avoid signal distortion.
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Equivalent Noise Level
What is the equivalent noise level?
21 dB 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The self-noise generated by the microphone.
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Directionality
What is the directionality?
43 AKG C451 B 0Votes Cardioid
30 Shure SM81 0Votes Unidirectional
General pickup orientation.
In the battle of Directionality, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 13 score measurement.
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THD
What is the THD (total Harmonic Distortion)?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
0.25 % 0Votes
vs THD
THD (Total Harmonic Distortion): Not available for Audix but is 0.25% for Shure, indicating measurable distortion for Shure.
Distortion added at high volumes.
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Gain Range
What is the gain range?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The adjustable gain span.
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Pre-Attenuation Pad
What is the pre-attenuation pad?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
vs Pre-Attenuation Pad
Pre-Attenuation Pad varies: Audix has -10 dB pad, Shure has +10 dB pad, impacting sound level control.
Built-in reduction for handling loud signals.
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Voice Isolation Feature
Does it have voice isolation?
No 0Votes AKG C451 B
No 0Votes Shure SM81
vs Voice Isolation Feature
Voice Isolation Feature is No for both microphones.
Whether the mic includes isolation tech.
In the battle of Voice Isolation Feature, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Acoustic Principle
What is the acoustic principle?
63 AKG C451 B 0Votes Pressure Gradient
60 Shure SM81 0Votes Pressure Gradient
vs Acoustic Principle
Acoustic Principle is Pressure Gradient for both, typical for cardioid microphones.
The underlying sound capture mechanism.
In the battle of Acoustic Principle, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Headroom
What is the headroom?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Range above nominal operating level before distortion.
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Off-Axis Rejection
What is the off-axis rejection?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Sensitivity drop when sound comes from the side/rear.
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Overload Point
What is the overload point?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The SPL level where overload occurs.
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Acoustic Noise Isolation Rating
What is the acoustic noise isolation rating?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Rating for rejecting ambient noise.
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Output Level
What is the output level?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The output voltage relative to input pressure.
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Transformer/Transformerless Design
What design does it use?
93 AKG C451 B 0Votes Transformerless
40 Shure SM81 0Votes Transformer
vs Transformer/Transformerless Design
Transformer/Transformerless Design is unavailable for Audix but Transformer for Shure, affecting output tonal characteristics.
The electrical coupling approach used.
In the battle of Transformer/Transformerless Design, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 53 score measurement.
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The microphone provides a Balanced output, which is crucial for long cable runs as it helps to reject electromagnetic interference and noise, ensuring a clean signal.
Defines the type of electrical signal output.
In the battle of Balanced/Unbalanced Output, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Ability to connect to multiple devices simultaneously.
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XLR Pin Configuration
What is the XLR pin configuration?
23 AKG C451 B 0Votes Standard
20 Shure SM81 0Votes Standard
AKG C451 B
The microphone uses a Standard XLR pin configuration (Pin 1: Ground, Pin 2: Hot, Pin 3: Cold), ensuring compatibility with all professional audio equipment.
Specifies XLR wiring configuration.
In the battle of XLR Pin Configuration, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Cable Detachable
Is the cable detachable?
Yes 1Votes AKG C451 B
No 0Votes Shure SM81
Whether the cable can be detached or replaced.
In the battle of Cable Detachable, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 44 score measurement.
Based on community votes for Cable Detachable, AKG C451 B ◉ earned 1 votes, more than Shure SM81 ◉, which got 0 votes.
Having a detachable cable on the AKG C451 B is a huge convenience. It makes storage and transport so much easier and if the cable ever gets damaged I can just replace it. The Shure SM81 doesn't have that flexibility.
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Bluetooth Version
What Bluetooth version does it support?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Version of Bluetooth supported (if applicable).
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RF Frequency Range
What is the RF frequency range?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Frequency spectrum range for mics.
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USB Compatibility
What USB versions are compatible?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Identifies supported USB standards.
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Audio Output Options
What are the audio output options?
38 AKG C451 B 0Votes Analog, Balanced
30 Shure SM81 0Votes Analog
vs Audio Output Options
Audio Output Options are Analog on both, typical for condenser microphones.
Lists output signal formats available.
In the battle of Audio Output Options, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Phantom Power Support
Does it support phantom power?
Yes 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs Phantom Power Support
Phantom Power Support is Yes on both, necessary for condenser microphone operation.
Whether the mic supports phantom power.
In the battle of Phantom Power Support, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 4 score measurement.
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Interface Latency
What is the interface latency?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Latency introduced by the interface.
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Dual Output Capability
Does it have dual output capability?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Ability to provide two simultaneous outputs.
In the battle of Dual Output Capability, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Ground Lift Switch
Does it have a ground lift switch?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Prevents ground loop hum in audio systems.
In the battle of Ground Lift Switch, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Shielding Against RF Interference
Is there RF shielding?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
Indicates built-in protection against RF interference.
In the battle of Shielding Against RF Interference, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
AKG C451 B
The Power Consumption of 0.09 Watt is a typical low draw for a phantom-powered condenser microphone.
Amount of power drawn during use.
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Power Source
What is the power source?
73 AKG C451 B 0Votes Phantom
70 Shure SM81 0Votes Phantom
AKG C451 B
The microphone's power source is Phantom power, requiring 48V from a mixer or audio interface for operation.
Shure SM81
Runs on phantom power, which most professional interfaces and mixers supply. There’s no need for batteries, keeping your setup simple and reliable.
Defines how the microphone is powered.
In the battle of Power Source, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Battery Type
What is the battery type?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The type of battery used if portable.
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Battery Capacity
What is the battery capacity?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Storage capacity of the built-in battery.
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Battery Life
What is the battery life?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
How long the microphone operates per charge.
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Recharge Time
What is the recharge time?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Time required to fully recharge the battery.
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Auto Power-Off
Does it have auto power-off?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Whether the microphone shuts down automatically when idle.
In the battle of Auto Power-Off, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Charging Method
What is the charging method?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The interface used for recharging.
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Replaceable Battery Support
Does it support replaceable batteries?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Indicates if batteries can be swapped.
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External Power Supply Compatibility
Is it compatible with an external power supply?
Yes 0Votes AKG C451 B
No 0Votes Shure SM81
Can the mic run on external AC/DC supply.
In the battle of External Power Supply Compatibility, AKG C451 B ◉ is better than Shure SM81 ◉ , delivering higher 44 score measurement.
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Power Indicator Light
Does it have a power indicator light?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Whether a light shows power/battery status.
In the battle of Power Indicator Light, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Shure's onboard controls are a definite advantage for me. Having actual buttons and knobs for mute gain and monitoring mix control is just so practical during live sessions. AKG only has basic switches.
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On/Off Switch
Does it include an on/off switch?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Whether the microphone includes a physical on/off switch.
In the battle of On/Off Switch, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Mute Function
Does it have a mute function?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
Ability to mute audio directly on the mic.
In the battle of Mute Function, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Gain Control
Does it have gain control?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
Ability to adjust input gain directly.
In the battle of Gain Control, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Headphone Monitoring
Does it support headphone monitoring?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs Headphone Monitoring
Headphone Monitoring support is No for Audix but Yes on Shure, aiding live monitoring.
Direct monitoring via headphone output.
In the battle of Headphone Monitoring, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Monitoring Mix Control
Does it have monitoring mix control?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs Monitoring Mix Control
Monitoring Mix Control is No on Audix and Yes on Shure, giving Shure better monitoring features.
Lets user adjust mic vs playback audio mix.
In the battle of Monitoring Mix Control, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Touch/Motion Controls
Does it support touch/motion controls?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Allows interaction via touch gestures or motion.
In the battle of Touch/Motion Controls, AKG C451 B ◉ is same as Shure SM81 ◉ .
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LED Indicator Lights
Does it have LED indicators?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Lights that show status such as mute, levels, or power.
In the battle of LED Indicator Lights, AKG C451 B ◉ is same as Shure SM81 ◉ .
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App/Software Integration
Is it integrated with software/apps?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Works with companion apps or software.
In the battle of App/Software Integration, AKG C451 B ◉ is same as Shure SM81 ◉ .
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EQ Presets
Does it have EQ presets?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Pre-configured equalization modes.
In the battle of EQ Presets, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Voice Effects
Does it include voice effects?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Built-in voice modulation effects.
In the battle of Voice Effects, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Feedback Suppression
Does it have feedback suppression?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Prevents audio feedback loops in live use.
In the battle of Feedback Suppression, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Automatic Gain Adjustment
Does it support automatic gain adjustment?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Auto-adjusts mic gain for consistent output.
In the battle of Automatic Gain Adjustment, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Multi-Mode Switch
Does the microphone have a multi-mode switch?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Shows whether the microphone includes a switch to toggle between different recording modes or polar patterns.
In the battle of Multi-Mode Switch, AKG C451 B ◉ is same as Shure SM81 ◉ .
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One-touch Recording Button
Does it have a one-touch recording button?
No 0Votes AKG C451 B
No 0Votes Shure SM81
A single button to start recording instantly.
In the battle of One-touch Recording Button, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Lock Mode
Does it have a lock mode?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Prevents accidental control changes.
In the battle of Lock Mode, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Programmable Button Functions
Can buttons be programmed?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Allows customizing buttons to user preference.
In the battle of Programmable Button Functions, AKG C451 B ◉ is same as Shure SM81 ◉ .
Don’t keep it to yourself — be the first to react and review the Programmable Button Functions on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Sensitivity Preset Profiles
Does it have sensitivity presets?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Predefined sensitivity levels for various uses.
In the battle of Sensitivity Preset Profiles, AKG C451 B ◉ is same as Shure SM81 ◉ .
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For broadcast use the Shure SM81 having professional broadcast certification is key. It ensures compliance with industry standards which is something the AKG doesn't offer. That's a big deal for peace of mind.
See more
Safety Compliance
Is it safety compliant?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs Safety Compliance
Safety Compliance status is Yes for both microphones.
Indicates adherence to safety regulations.
In the battle of Safety Compliance, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Environmental Compliance
Is it environmentally compliant?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
Compliance with eco/environmental regulations.
In the battle of Environmental Compliance, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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RoHS Compliance
Is it RoHS compliant?
No 0Votes AKG C451 B
Yes 0Votes Shure SM81
vs RoHS Compliance
RoHS Compliance approved Yes on both microphones.
Restriction of Hazardous Substances directive compliance.
In the battle of RoHS Compliance, AKG C451 B ◉ is worse than Shure SM81 ◉ .
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Temperature Range (Operating)
What is the operating temperature range?
Who knows? 0Votes AKG C451 B (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Operating temperature window for reliable use.
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Provides near real-time monitoring with minimal delay.
In the battle of Low Latency Monitoring, AKG C451 B ◉ is same as Shure SM81 ◉ .
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DSP Processing
Does it include DSP processing?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Built-in digital signal processing for sound shaping.
In the battle of DSP Processing, AKG C451 B ◉ is same as Shure SM81 ◉ .
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AI Noise Cancellation
Does it feature AI noise cancellation?
No 0Votes AKG C451 B
No 0Votes Shure SM81
AI-powered suppression of background noise.
In the battle of AI Noise Cancellation, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Voice Tracking
Does it include voice tracking?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Automatically follows speaker’s voice.
In the battle of Voice Tracking, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Surround Capture Mode
Does it support surround capture?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Ability to capture immersive 360° or surround sound.
In the battle of Surround Capture Mode, AKG C451 B ◉ is same as Shure SM81 ◉ .
Don’t keep it to yourself — be the first to react and review the Surround Capture Mode on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Auto Calibration
Does it support auto calibration?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Automatically adjusts mic response to environment.
In the battle of Auto Calibration, AKG C451 B ◉ is same as Shure SM81 ◉ .
Don’t keep it to yourself — be the first to react and review the Auto Calibration on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Cloud Profile Storage
Does it support cloud profile storage?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Saves mic settings to the cloud.
In the battle of Cloud Profile Storage, AKG C451 B ◉ is same as Shure SM81 ◉ .
Don’t keep it to yourself — be the first to react and review the Cloud Profile Storage on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Firmware Upgrade Support
Does it support firmware upgrades?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Ability to update functionality via firmware.
In the battle of Firmware Upgrade Support, AKG C451 B ◉ is same as Shure SM81 ◉ .
Don’t keep it to yourself — be the first to react and review the Firmware Upgrade Support on AKG C451 B ◉ vs Shure SM81 ◉ and help others decide!
Acoustic Modeling/Room Simulation
Does it feature acoustic modeling?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Simulates room acoustics or mic characteristics.
In the battle of Acoustic Modeling/Room Simulation, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Dual Capsule Blending
Does it support dual capsule blending?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Blends outputs of dual capsules for tonal flexibility.
In the battle of Dual Capsule Blending, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Hum-Compensating Coil
Does it have a hum-compensating coil?
No 0Votes AKG C451 B
No 0Votes Shure SM81
Indicates if the mic includes a humbucking coil to reduce electrical interference.
In the battle of Hum-Compensating Coil, AKG C451 B ◉ is same as Shure SM81 ◉ .
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Surveys
Because hot takes deserve votes.
Sound Quality
How would you rate the sound quality of this microphone?
Crisp and professional
0Votes
0Votes
Good and clear
0Votes
0Votes
Average clarity
0Votes
0Votes
Distorted and unclear
0Votes
0Votes
Noise Handling
How well does this microphone handle background noise?
Blocks out most noise
0Votes
0Votes
Handles noise fairly well
0Votes
0Votes
Reduces some noise
0Votes
0Votes
Picks up everything
0Votes
0Votes
Battery Life
How long does the battery last on this microphone?
Excellent — Over 20 hours
0Votes
0Votes
Long lasting — 10 to 20 hours
0Votes
0Votes
Decent — 5 to 10 hours
0Votes
0Votes
Short — 2 to 5 hours
0Votes
0Votes
Very short — Under 2 hours
0Votes
0Votes
Durability
How durable is this microphone based on build and lifespan?
Highly durable — Over 4 years
0Votes
0Votes
Solid — 2 to 4 years
0Votes
0Votes
Average — 1 to 2 years
0Votes
0Votes
Very fragile — Less than 1 year
0Votes
0Votes
Weight
How heavy is this microphone?
Ultra-light — Under 150 grams
0Votes
0Votes
Lightweight — 150 to 300 grams
0Votes
0Votes
Medium — 300 to 500 grams
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Heavy — 500 to 800 grams
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Very heavy — Over 800 grams
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Design Appeal
How attractive is the design of this microphone?
Plain and boring
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Somewhat okay
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Nice looking
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Stylish and modern
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Pricing
How do you feel about the price of this microphone?
Great value for money
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Pretty good price
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Fair deal
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Kinda pricey
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Crazy expensive
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Sensitivity
How sensitive is this microphone to capturing sound?
Very sensitive — Detects quiet sounds clearly
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Sensitive — Captures a wide sound range
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Moderate — Picks up normal voice levels well
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Low — Needs to be close to sound source
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Very low — Struggles to capture soft voices
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Frequency Response Range
What do you think about the frequency response range of this microphone?
Wide range — 20 Hz to 20 kHz
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Good range — 30 Hz to 18 kHz
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Decent range — 40 Hz to 16 kHz
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Limited range — 50 Hz to 14 kHz
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Narrow range — Above 60 Hz only
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Connectivity
How stable and reliable is the connection of this microphone?
Supermod 
Moderator 
Recaptor 
