Pricing and availability
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Price
Average Price: $398
Standard/Professional
$100
$401+
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Budget
Standard
High-end
Price History
Based on price data from 5 merchants for "Shure SM81". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Shure SM81 is your go-to condenser microphone for studio recording, broadcasting, and live performances. Known for its high-quality sound and robustness, this mic delivers a linear, wide frequency range with low inherent noise and minimal sensitivity to high frequencies. It excels in capturing acoustic instruments including guitars, pianos, and drums, providing a crisp, accurate sound reproduction.
This microphone doesn't just perform, it endures. With the ability to operate on phantom power and its competence in extreme temperature and humidity conditions, the Shure SM81 is built to last. Further enhancing its versatility, it's fitted with a three-way switchable high-pass filter and 10 dB attenuation, ensuring distortion-free recordings, even at high sound pressure.
Key Features:
- Cardioid polar pattern for maximum signal source isolation and reduced background noise
- High-quality, permanently polarised condenser microphone
- Linear frequency response for accurate sound reproduction
- Low inherent noise and high clipping protection
- Distortion-free recordings even at high sound pressure
- Low sensitivity to interference at high frequencies
- 3-Step switchable high-pass filter: Linear, 6 or 18 dB / octave reduction
- Switchable 10 dB attenuation
- Phantom power compatible with voltage from 12 to 48 V
- Durable steel construction
- Operates reliably under extreme temperature and humidity conditions
- Frequency range: 20 – 20,000 Hz
- Output impedance: 85 ohms
- No-load sensitivity: -45 dBV/Pa (5.62 mV)
- Total Harmonic Distortion (131 dB SPL at 250 Hz, 800 Ohm load): < 0.5 %
- Maximum sound pressure (at 1 kHz, 800 Ohm load): 136 dB SPL
- Includes a foam windscreen and microphone clamp
Owner's manual
Shure SM81 User ManualProduct specs
| Microphone Type | Condenser |
| Polar Pattern | Cardioid |
| Frequency Response | 20Hz-20kHz |
| Max SPL | 136dB (146dB w/Pad) |
| Output Impedance | 150 ohms |
| Signal to Noise Ratio | 78dB |
| Self Noise | 16dB (A weighted) |
| Low Cut Filter | 80Hz (-18dB/octave), 100Hz (-6dB/octave) |
| Pads | -10dB |
| Connector | XLR |
| Power Source | 12-52V phantom power |
| Dimensions | 8.35" x 0.93" |
| Weight | 0.5 lbs. |
| Included Accessories | Mic Clip, Carrying Pouch, Foam Windscreen, Stand Adapter |
FAQs
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What is the primary use of the Shure SM81 condenser microphone?
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The Shure SM81 is ideal for studio recording, broadcasting, and sound reinforcement, particularly excelling in capturing acoustic instruments like guitars, pianos, and cymbals due to its flat frequency response and detailed sound reproduction.
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What polar pattern does the Shure SM81 use, and why is it important?
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The Shure SM81 features a cardioid polar pattern, which effectively isolates the main sound source while minimizing background noise, making it suitable for both live and studio environments.
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Does the Shure SM81 require phantom power to operate?
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Yes, the Shure SM81 requires 12-52V phantom power, which is standard for condenser microphones, to function properly.
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How does the Shure SM81 handle high sound pressure levels?
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The Shure SM81 can handle a maximum SPL of 136dB, or 146dB with the pad engaged, allowing it to capture loud sound sources without distortion.
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What accessories are included with the Shure SM81 microphone?
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The Shure SM81 comes with a mic clip, carrying pouch, foam windscreen, and stand adapter, providing everything needed for immediate use.
Videos
Podcastage
Shure SM81 Mic Review / Test (vs. KM184, MK012, M5, sE8, U87 Ai)
Reviews
PROS
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Excels in clarity and neutrality, ideal for a wide range of instruments
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Offers two high-pass filter options for versatile recording conditions
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Durable and rugged, suitable for studio and live environments
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Maintains a flat, accurate frequency response for natural sound reproduction
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Exceptional for spot miking hi-hat, ride cymbals, and acoustic guitar
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Performs well at high SPL, making it great for drum overheads
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Provides a slightly mellower tone, useful for jazz guitar
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Includes essential accessories like pop shield and mic clip in a robust case
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Considered an industry standard, especially for high hats
CONS
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Low sensitivity may require quality preamps for silent sources
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Some units reportedly missing the lock for the attenuation ring
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Feedback issues in live settings at high volumes
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May be perceived as slightly dull compared to brighter SDCs
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Shure SM81.
Use cases and applications
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The SM81 is favored for rhythm acoustic guitar tracks due to its smooth high frequency response and is also used effectively for drum overheads.
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The SM81’s wider cardioid pickup pattern may be less ideal for indoor dialogue, as it might capture more room noise compared to hypercardioid options like the Audix SCX-One.
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Users looking for an out-of-frame mic for indoor dialogue might need to consider more expensive options to maintain sound quality at 1.5 feet away.
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The SM81 is effectively used in spaced pair configurations for recording acoustic guitar, providing clarity and brightness within dense mixes.
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User experience
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A noticeable difference in high frequency response has been observed between vintage and newer SM81s, with older models being preferred for their smoother sound above 3kHz.
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Setup and maintenance
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Exposure to smoke and environmental factors over decades can mellow the high-end response of the SM81, potentially improving its tonal characteristics in some users' opinions.
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Electrolytic capacitors in older SM81 models may influence sound quality before failing, contributing to the perceived difference in tonality over time.
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Features and functionality
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The SM81 used to have omni capsules available, which were discontinued due to low sales; the mic includes a lock for the pad rotary switch often overlooked by users.
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At 24 inches from the speaker, the SM81 may require increased gain, potentially raising surrounding noise, impacting its suitability for distant indoor dialogue recording.
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The SM81 may require additional support for low end when used as drum overheads, suggesting the use of close mics on toms for fuller sound.
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Comparisons
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Some suggest modern SM81 models may have a brighter frequency response compared to older versions, similar to changes seen in the AKG 414 and Neumann U87 microphones.
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The Audix SCX-One is often preferred for indoor dialogue over the SM81 due to its hypercardioid pattern, likened to a "poor person's Schoeps" for its similar sound profile.
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The AKG C414 is noted for a darker, denser overhead sound compared to the SM81, which is described as clear and bright for overheads.
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AT 2035s are mentioned as a cost-effective alternative for overheads, providing good performance at a much lower price than AKG 414s.
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Critic Reviews
5.0 out of 5
Based on 1 Review and 14 Ratings
297
Amazing mic with many uses
This is a great microphone, with many different applications. I use it to record acoustic guitar, but it works amazing for drums (hi-hat in particular) and great on piano. I've also used it for violin and it does the job amazingly well. Its a must for a pro studio and also great for overhead in live performances for drums.
41029
you can do a lot with a pair of these! I prefer Audio Technica and AKG small diaphragm condensers, but shure's classic SM81 is really great too and is cheaper than an AKG 451by a lot
297
Its true a pair of these goes a long way. I don't know if you can buy a matched pair thou.
Artist usage
Add artist
This mic was used for the overhead recording of drums on Eagles of Death Metal's album Death by Sexy, according to Shure's official website.
In the video description, Matt Halpern lists that he uses Shure SM81s as his room mics.
The SM81 is the microphone that Andy uses for acoustic, banjo, and cello tracks.
This microphone can be seen in the video where the band's technician showed Brandon's setup in detail.
Recording & Monitoring
Genelec 1027 active monitors. Mackie 1642 mixer. Mirage OM9 active monitors. Rode NT2 mic. Samson Servo 250 power amp. Shure Beta 58a, Beta 57a, Beta 52a, Beta 56a, SM81 and KSM44 mics. Technics SHDX1200 mixer. Yamaha 02R mixer. Yamaha NS10M speakers.
Album Usage
The Shure SM81 has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Shure SM81, it is most commonly used with the following gear.
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