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.

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.