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56 Highlights 35 Differences 6 Reactions 0 Likes
Audix ADX51 vs Shure SM81: 56 Highlights & 35 Differences — So, Which Microphone Actually Works Better
Understand which mic's features align with your professional or casual recording style. Not sure which microphone to add to your setup? This microphones comparison puts Audix ADX51 vs Shure SM81 side by side — from power source, onboard controls, body material & stand/tripod to what players love.
Audix ADX51 vs Shure SM81: A Detailed Comparison of Professional Condenser Microphones
When it comes to selecting high-quality condenser microphones for studio, live performance, or broadcast use, the Audix ADX51 and Shure SM81 stand out as popular contenders. Both models are cardioid condenser mics designed to capture detailed, clear sound with wired XLR connectivity and a phantom power requirement of 48V.
While they share this professional-grade core functionality, their differences in audio specifications, build design, and onboard control features reveal unique strengths that cater to varying recording needs and budgets. Whether you prioritize portability and sensitivity or enhanced noise control and versatile usability, understanding these distinctions is key before investing.
Compact Precision: Spotlight on the Audix ADX51
The ADX51 is a streamlined, handheld condenser microphone that excels in portability and ease of use. Its compact dimensions of 6.3" height and mere 0.41 lbs weight make it ideal for clipping onto instruments or carrying in field recording situations. Built with a durable brass body and steel grill, the ADX51 balances solid construction with lightweight convenience. It includes a protective windscreen to reduce plosives and wind noise, while its corrosion resistance ensures longevity in demanding environments.
In terms of performance, the ADX51 offers a frequency response spanning from 40 Hz to 18 kHz, with a relatively high sensitivity of -35.4 dBV and a maximum sound pressure level (SPL) tolerance up to 132 dB. However, the mic features a higher noise floor of 29 dB, which might introduce some background hiss in quieter settings. The presence of a 150 Hz low-cut filter and a -10 dB pre-attenuation pad adds to its versatility when dealing with bass-heavy sources or moderately loud instruments. Simplicity characterizes its onboard interface, with limited switches and no onboard gain or mute controls, making it a straightforward choice for users who prefer minimal adjustments.
Overall, the ADX51's strengths lie in its compactness and affordability (~$229.94 at amazon.com), making it a solid performer for musicians and engineers needing a reliable, portable condenser mic without extra bells and whistles.
Pro Studio Power: What the Shure SM81 Brings to the Table
In contrast, the SM81 is tailored for professionals demanding exceptional sound fidelity and advanced operational control. This microphone features a larger form (8.34" height, 0.47 lbs), constructed with a robust steel body and metal grill, complemented by a built-in internal shockmount. This design reduces unwanted mechanical vibrations and handling noise, crucial for detailed studio and live applications. The mic also includes a swivel/pivot mount for precise positioning on stands.
The SM81 stands out with its superior audio specs; boasting a wide frequency response range from 20 Hz to 20 kHz, an impressive signal-to-noise ratio of 78 dB that ensures quieter recordings, and a maximum SPL of 136 dB for handling the loudest sources without distortion. Unlike the ADX51, it offers a variable +10 dB pad (attenuation level opposite in polarity), an 80 Hz low-cut filter to clean up low-frequency rumble, and proximity effect control that helps manage bass boost when close to sound sources. Its transient response is notably fast, supporting a cleaner, more accurate capture of percussive and stringed instruments.
On the usability front, the SM81 excels with multiple buttons and knobs, including dedicated mute and gain controls, along with headphone monitoring and a monitoring mix control for real-time audio management. These features, paired with included accessories such as a stand, cables, and a carrying case, provide a turnkey solution aimed at studios and touring professionals, albeit at a higher investment (~$399 at GuitarCenter).
Brief Overview
In essence, the Audix ADX51 shines with its portability, straightforward operation, and budget-friendly price, making it great for instrument miking and mobile recording. Meanwhile, the Shure SM81 impresses with pristine audio quality, sophisticated onboard controls, rugged build, and comprehensive accessories designed for demanding professional environments.
Bottom Line: Which Condenser Mic Should You Choose?
If your work demands the highest caliber of sound clarity, low noise, and flexibility, especially in studio and live setups, the Shure SM81 justifies its premium with advanced audio features and professional-grade design. However, if you seek a highly portable, reliable condenser microphone that captures great sound at nearly half the price, the Audix ADX51 represents a smart, no-nonsense alternative perfect for musicians and mid-level engineers alike.
Verdict
Winner: Shure SM81 - For its superior audio fidelity, extensive onboard controls, and rugged build, the SM81 is ideal for professionals who need precision and flexibility in demanding recording environments.
Runner-up: Audix ADX51 - A compact, lightweight solution delivering good condenser mic performance at a much more approachable price point, perfect for portable instrument miking without the extras.
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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 8 score measurement.
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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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Product Type
What is the product type?
53 Audix ADX51 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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 17 score measurement.
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Year of Release
What year was it released?
33 Audix ADX51 0Votes 2004
5 Shure SM81 0Votes 1978
Audix ADX51
Released in 2004, the ADX51 has remained a reliable choice for professionals in various audio environments, maintaining its reputation for high performance.
Indicates when the microphone was launched.
In the battle of Year of Release, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 28 score measurement.
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Country of Origin
What is the country of origin?
93 Audix ADX51 0Votes United States
80 Shure SM81 0Votes United States
Audix ADX51
Manufactured in the USA, reflecting the brand's commitment to quality and precision.
Manufacturing or design origin.
In the battle of Country of Origin, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 13 score measurement.
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Works seamlessly with most modern devices, including computers (Windows & macOS), mobile devices, mixers, and audio interfaces, ensuring wide compatibility.
Lists supported platforms and devices.
In the battle of Compatibility, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 22 score measurement.
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Form Factor
What is the form factor?
58 Audix ADX51 0Votes Handheld
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Polar Pattern Type
What is the polar pattern type?
63 Audix ADX51 0Votes Cardioid
60 Shure SM81 0Votes Cardioid
Audix ADX51
The cardioid polar pattern captures sound primarily from the front, making it ideal for isolating sound sources while minimizing background noise from the sides and rear.
Identifies the default pickup pattern.
In the battle of Polar Pattern Type, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Color Options
What are the color options?
33 Audix ADX51 0Votes Black
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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 7 score measurement.
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Mounting Type
What is the mounting type?
43 Audix ADX51 0Votes Clip
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 13 score measurement.
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Gender Target
What is the gender target?
43 Audix ADX51 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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 47 score measurement.
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Age Group
What is the age group?
78 Audix ADX51 0Votes Adult, 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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 8 score measurement.
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Recording Application Category
What recording applications is it best for?
58 Audix ADX51 0Votes Studio, Live, Broadcast, Field Recording
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 10 score measurement.
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User Skill Level
What is the user skill level?
68 Audix ADX51 0Votes Intermediate, Professional
90 Shure SM81 0Votes Professional
vs User Skill Level
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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 22 score measurement.
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Launch Region
Where is it available?
93 Audix ADX51 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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Limited Edition
Is it a limited/special edition?
No 0Votes Audix ADX51
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, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Series/Line
What series/line does it belong to?
Who knows? 0Votes Audix ADX51 (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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Dimensions & Weight 14
Weight
What is the weight?
0.41 lbs 1Votes
0.47 lbs 0Votes
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering lower 0.1 lbs measurement.
Based on community votes for Weight, Audix ADX51 ◉ earned 1 votes, more than Shure SM81 ◉, which got 0 votes.
The 80 Hz low-cut filter on the Shure SM81 is more versatile. It gets rid of rumble without cutting too much useful bass like 150 Hz might.
See more
Frequency Response (Min)
What is the minimum frequency response?
40 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), Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering higher 20.0 Hz measurement.
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Frequency Response (Max)
What is the maximum frequency response?
18,000 Hz 0Votes
20,000 Hz 0Votes
vs Frequency Response (Max)
Frequency Response Max: Audix tops at 18000 Hz vs Shure at 20000 Hz, allowing Shure to pick up slightly higher treble.
The highest frequency the mic can capture.
In the battle of Frequency Response (Max), Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 2,000.0 Hz measurement.
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Sensitivity
What is the sensitivity?
-35.4 dBV/Pa 0Votes
-45 dBV/Pa 0Votes
Audix ADX51
The microphone's sensitivity is designed for high detail capture, making it ideal for situations where precise audio reproduction is necessary, such as in professional recordings.
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 9.6 dBV/Pa measurement.
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Output Impedance
What is the output impedance?
100 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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering lower 50.0 ohm measurement.
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Capsule Type
What is the capsule type?
73 Audix ADX51 0Votes Electret
64 Shure SM81 0Votes Small Diaphragm
Audix ADX51
Features an electret capsule, known for its compact size and reliable performance, often found in microphones designed for professional use.
Specifies the capsule style that influences sound capture.
In the battle of Capsule Type, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 9 score measurement.
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Equivalent Noise Level
What is the equivalent noise level?
29 dB 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Audix ADX51
The microphone operates at a low noise floor of 29 dB, ensuring minimal self-noise for transparent recordings, ideal for capturing subtle sounds in quiet environments.
The self-noise generated by the microphone.
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Pre-Attenuation Pad
What is the pre-attenuation pad?
-10 dB 0Votes
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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Stereo/Mono Mode
What mode is supported?
23 Audix ADX51 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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 13 score measurement.
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Acoustic Principle
What is the acoustic principle?
73 Audix ADX51 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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 13 score measurement.
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Off-Axis Rejection
What is the off-axis rejection?
15 dB 0Votes
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Audix ADX51
The microphone offers 15 dB of off-axis rejection, minimizing noise from sides and rear, ensuring focused sound capture from the front.
Sensitivity drop when sound comes from the side/rear.
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Microphone Type
What is the microphone type?
63 Audix ADX51 0Votes Condenser
90 Shure SM81 0Votes Condenser
Defines the operating principle of the microphone.
In the battle of Microphone Type, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 27 score measurement.
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Dynamic Range
What is the dynamic range?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The range between quietest and loudest sounds captured.
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Minimum Terminating Impedance
What is the minimum terminating impedance?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
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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Directionality
What is the directionality?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
30 Shure SM81 0Votes Unidirectional
General pickup orientation.
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THD
What is the THD (total Harmonic Distortion)?
Who knows? 0Votes Audix ADX51 (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 Audix ADX51 (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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Voice Isolation Feature
Does it have voice isolation?
No 0Votes Audix ADX51
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, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Headroom
What is the headroom?
Who knows? 0Votes Audix ADX51 (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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Transient Response
What is the transient response?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
90 Shure SM81 0Votes Fast
Ability to capture sudden sound changes.
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Proximity Effect Control
Does it have proximity effect control?
No 0Votes Audix ADX51
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, Audix ADX51 ◉ is worse than Shure SM81 ◉ .
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Overload Point
What is the overload point?
Who knows? 0Votes Audix ADX51 (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 Audix ADX51 (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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Polar Pattern Switching Precision
What is the switching precision?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The accuracy of selectable polar patterns.
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Output Level
What is the output level?
Who knows? 0Votes Audix ADX51 (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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Internal Preamp Quality
What is the internal preamp quality?
43 Audix ADX51 0Votes Standard
38 Shure SM81 0Votes Standard
Describes the built-in preamp’s fidelity.
In the battle of Internal Preamp Quality, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 5 score measurement.
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Transformer/Transformerless Design
What design does it use?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
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.
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Who knows? 0Votes Audix ADX51 (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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Shielding Against RF Interference
Is there RF shielding?
Yes 0Votes Audix ADX51
Yes 0Votes Shure SM81
Audix ADX51
Designed with shielding against RF interference, preventing unwanted radio frequency noise from affecting the microphone's audio signal, ensuring cleaner recordings.
Indicates built-in protection against RF interference.
In the battle of Shielding Against RF Interference, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 5 score measurement.
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Connection Interface
What is the connection interface?
23 Audix ADX51 0Votes XLR
30 Shure SM81 0Votes XLR
Defines the main interface for connectivity.
In the battle of Connection Interface, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 7 score measurement.
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Cable Detachable
Is the cable detachable?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Whether the cable can be detached or replaced.
In the battle of Cable Detachable, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Wireless Technology
What wireless technology is used?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
The wireless system type used.
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Bluetooth Version
What Bluetooth version does it support?
Who knows? 0Votes Audix ADX51 (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 Audix ADX51 (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 Audix ADX51 (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?
13 Audix ADX51 0Votes Analog
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, Audix ADX51 ◉ is worse than Shure SM81 ◉ , delivering lower 17 score measurement.
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Phantom Power Support
Does it support phantom power?
Yes 0Votes Audix ADX51
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, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 5 score measurement.
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Multi-Device Pairing
Does it support multi-device pairing?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Ability to connect to multiple devices simultaneously.
In the battle of Multi-Device Pairing, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Balanced/Unbalanced Output
What is the output type?
93 Audix ADX51 0Votes Balanced
90 Shure SM81 0Votes Balanced
Defines the type of electrical signal output.
In the battle of Balanced/Unbalanced Output, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 3 score measurement.
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Dual Output Capability
Does it have dual output capability?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Ability to provide two simultaneous outputs.
In the battle of Dual Output Capability, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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XLR Pin Configuration
What is the XLR pin configuration?
93 Audix ADX51 0Votes Standard
20 Shure SM81 0Votes Standard
Specifies XLR wiring configuration.
In the battle of XLR Pin Configuration, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 73 score measurement.
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Ground Lift Switch
Does it have a ground lift switch?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Prevents ground loop hum in audio systems.
In the battle of Ground Lift Switch, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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The ADX51 runs on phantom power and supports a wide operating range of 9–52 volts, giving it flexibility with many mixers and interfaces. While it works anywhere in that range, 48V is the recommended standard for optimal performance.
Shure SM81
Requires a standard 48V phantom power connection found in most studio gear. This ensures consistent performance and sound stability.
Specifies the phantom power voltage needed.
In the battle of Phantom Power Requirement, Audix ADX51 ◉ is same as Shure SM81 ◉ , delivering equal 48.00 Volt measurement.
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Auto Power-Off
Does it have auto power-off?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Audix ADX51
The ADX51 does not have an auto power-off feature, so it remains powered on during use unless manually turned off.
Whether the microphone shuts down automatically when idle.
In the battle of Auto Power-Off, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Replaceable Battery Support
Does it support replaceable batteries?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Audix ADX51
The ADX51 operates on phantom power and does not support replaceable batteries.
Indicates if batteries can be swapped.
In the battle of Replaceable Battery Support, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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External Power Supply Compatibility
Is it compatible with an external power supply?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Audix ADX51
This microphone does not support external power supplies, operating solely on phantom power from an audio interface or mixer.
Can the mic run on external AC/DC supply.
In the battle of External Power Supply Compatibility, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Power Indicator Light
Does it have a power indicator light?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Audix ADX51
Lacks a power indicator light, meaning users must rely on their phantom power source's status to determine whether the microphone is powered.
Whether a light shows power/battery status.
In the battle of Power Indicator Light, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Battery Type
What is the battery type?
Who knows? 0Votes Audix ADX51 (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 Audix ADX51 (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 Audix ADX51 (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 Audix ADX51 (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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Power Consumption
What is the power consumption?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
Who knows? 0Votes Shure SM81 (Help us out by suggesting one!)
Amount of power drawn during use.
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Charging Method
What is the charging method?
Who knows? 0Votes Audix ADX51 (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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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, Audix ADX51 ◉ is worse than Shure SM81 ◉ .
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On/Off Switch
Does it include an on/off switch?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Whether the microphone includes a physical on/off switch.
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Touch/Motion Controls
Does it support touch/motion controls?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Allows interaction via touch gestures or motion.
In the battle of Touch/Motion Controls, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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LED Indicator Lights
Does it have LED indicators?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Lights that show status such as mute, levels, or power.
In the battle of LED Indicator Lights, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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App/Software Integration
Is it integrated with software/apps?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Works with companion apps or software.
In the battle of App/Software Integration, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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EQ Presets
Does it have EQ presets?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Pre-configured equalization modes.
In the battle of EQ Presets, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Voice Effects
Does it include voice effects?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Built-in voice modulation effects.
In the battle of Voice Effects, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Feedback Suppression
Does it have feedback suppression?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Prevents audio feedback loops in live use.
In the battle of Feedback Suppression, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Automatic Gain Adjustment
Does it support automatic gain adjustment?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Auto-adjusts mic gain for consistent output.
In the battle of Automatic Gain Adjustment, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Multi-Mode Switch
Does the microphone have a multi-mode switch?
No 0Votes Audix ADX51
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, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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One-touch Recording Button
Does it have a one-touch recording button?
No 0Votes Audix ADX51
No 0Votes Shure SM81
A single button to start recording instantly.
In the battle of One-touch Recording Button, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Lock Mode
Does it have a lock mode?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Prevents accidental control changes.
In the battle of Lock Mode, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Programmable Button Functions
Can buttons be programmed?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Allows customizing buttons to user preference.
In the battle of Programmable Button Functions, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Sensitivity Preset Profiles
Does it have sensitivity presets?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Predefined sensitivity levels for various uses.
In the battle of Sensitivity Preset Profiles, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Who knows? 0Votes Audix ADX51 (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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Professional Broadcast Certification
Is it broadcast certified?
Yes 0Votes Audix ADX51
Yes 0Votes Shure SM81
vs Professional Broadcast Certification
Professional Broadcast Certification is Yes for both, confirming studio-grade quality.
Indicates if the mic meets pro broadcast standards.
In the battle of Professional Broadcast Certification, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 5 score measurement.
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Environmental Compliance
Is it environmentally compliant?
Yes 0Votes Audix ADX51
Yes 0Votes Shure SM81
Compliance with eco/environmental regulations.
In the battle of Environmental Compliance, Audix ADX51 ◉ is better than Shure SM81 ◉ , delivering higher 5 score measurement.
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In the battle of AI Noise Cancellation, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Smart Assistant Compatibility
Is it compatible with smart assistants?
Who knows? 0Votes Audix ADX51 (Help us out by suggesting one!)
81 Shure SM81 0Votes Alexa, Google Assistant
vs Smart Assistant Compatibility
Smart Assistant Compatibility is unavailable for Audix but includes Alexa and Google Assistant for Shure, adding smart feature integration.
Integration with voice assistants.
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Multi-Pattern Switching
Does it support multi-pattern switching?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Ability to switch between multiple pickup patterns.
In the battle of Multi-Pattern Switching, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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DSP Processing
Does it include DSP processing?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Built-in digital signal processing for sound shaping.
In the battle of DSP Processing, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Beamforming Technology
Does it support beamforming?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Uses mic arrays to focus on sound sources.
In the battle of Beamforming Technology, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Voice Tracking
Does it include voice tracking?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Automatically follows speaker’s voice.
In the battle of Voice Tracking, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Recording Profiles
Does it have recording profiles?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Predefined sound settings for specific uses.
In the battle of Recording Profiles, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Surround Capture Mode
Does it support surround capture?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Ability to capture immersive 360° or surround sound.
In the battle of Surround Capture Mode, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Auto Calibration
Does it support auto calibration?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Automatically adjusts mic response to environment.
In the battle of Auto Calibration, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Low Latency Monitoring
Does it support low-latency monitoring?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Provides near real-time monitoring with minimal delay.
In the battle of Low Latency Monitoring, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Cloud Profile Storage
Does it support cloud profile storage?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Saves mic settings to the cloud.
In the battle of Cloud Profile Storage, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Firmware Upgrade Support
Does it support firmware upgrades?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Ability to update functionality via firmware.
In the battle of Firmware Upgrade Support, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Acoustic Modeling/Room Simulation
Does it feature acoustic modeling?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Simulates room acoustics or mic characteristics.
In the battle of Acoustic Modeling/Room Simulation, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Dual Capsule Blending
Does it support dual capsule blending?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Blends outputs of dual capsules for tonal flexibility.
In the battle of Dual Capsule Blending, Audix ADX51 ◉ is same as Shure SM81 ◉ .
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Hum-Compensating Coil
Does it have a hum-compensating coil?
No 0Votes Audix ADX51
No 0Votes Shure SM81
Indicates if the mic includes a humbucking coil to reduce electrical interference.
In the battle of Hum-Compensating Coil, Audix ADX51 ◉ 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
0Votes
0Votes
Heavy — 500 to 800 grams
0Votes
0Votes
Very heavy — Over 800 grams
0Votes
0Votes
Design Appeal
How attractive is the design of this microphone?
Plain and boring
0Votes
0Votes
Somewhat okay
0Votes
0Votes
Nice looking
0Votes
0Votes
Stylish and modern
0Votes
0Votes
Pricing
How do you feel about the price of this microphone?
Great value for money
0Votes
0Votes
Pretty good price
0Votes
0Votes
Fair deal
0Votes
0Votes
Kinda pricey
0Votes
0Votes
Crazy expensive
0Votes
0Votes
Sensitivity
How sensitive is this microphone to capturing sound?
Very sensitive — Detects quiet sounds clearly
0Votes
0Votes
Sensitive — Captures a wide sound range
0Votes
0Votes
Moderate — Picks up normal voice levels well
0Votes
0Votes
Low — Needs to be close to sound source
0Votes
0Votes
Very low — Struggles to capture soft voices
0Votes
0Votes
Frequency Response Range
What do you think about the frequency response range of this microphone?
Wide range — 20 Hz to 20 kHz
0Votes
0Votes
Good range — 30 Hz to 18 kHz
0Votes
0Votes
Decent range — 40 Hz to 16 kHz
0Votes
0Votes
Limited range — 50 Hz to 14 kHz
0Votes
0Votes
Narrow range — Above 60 Hz only
0Votes
0Votes
Connectivity
How stable and reliable is the connection of this microphone?
Supermod 
Moderator 
Recaptor 
