SM81
SM81
Condenser Instrument Microphone
SKU: SM81-LC
Free Shipping
Hassle-Free Returns
Expert Tech Support
Cardioid condenser instrument microphone offers a wide frequency response and low self-noise. Features include flat response curve, low noise and high output clipping level, low distortion over a range of load impedances, and low RF susceptibility.
The SM81 is ruggedly constructed. It operates on phantom power and performs over a wide range of temperatures and humidity conditions. It is furnished with a swivel adapter, attenuator-switch lock, foam windscreen, and case for carrying and storage. Other accessories are available.
- 20 Hz to 20 kHz frequency response
- Flat response curve for accurate reproduction of sound sources
- Low noise and high output clipping level
- Low distortion over a wide range of load impedances
- Cardioid polar pattern, uniform with frequency and symmetric about axis, providing maximum rejection and minimum coloration of off-axis sounds
- Low RF susceptibility
- Selectable low-frequency response: flat, 6 or 18 dB/octave rolloff
- 0 dB/10 dB lockable attenuator switch
- Phantom powering (DIN 45 596 voltages of 12 to 48 Vdc)
- Rugged steel construction for durability
- Field-usable over wide range of temperature and humidity conditions
The Shure SM81 is a high-quality, unidirectional condenser microphone designed for studio recording, broadcasting, and sound reinforcement. Its wide frequency response, low noise characteristics, and low RF susceptibility have made it a standard for applications involving acoustic instruments, especially guitar, piano, and cymbals.
- 1 swivel adapter
- 1 attenuator-switch lock
- 1 foam windscreen
Related Products
Reviews
Further Reading

The History of Condenser Microphones and Artifacts from the Shure Archives
There are thousands of treasures in the Shure Archives and each has its own story. In this installment, Shure resident historian MICHAEL PETTERSEN discusses condenser microphones and introduces a few favorites from the collection.
Choosing a Saxophone Microphone for Recording and Live Sound
In this post, we're going to turn the spotlight on an essential instrument in the horn section: the saxophone. To help us do it, we've turned to a trio of pros: ADAM HILL from Memphis's legendary Ardent Studios (where everyone from Big Star to the Staples Singers and Isaac Hayes has recorded), FOH Engineer FRANK GILBERT who mixes sound at Chicago's hippest live music venues and our own DEAN GIAVARAS, a sax player and the chief recording engineer at Shure's state-of-the-art Performance Listening Center.







