The Shure Beta 91A is designed for use with kick drums, as well as other traditional low-frequency applications including piano.

The Shure Beta 91A is a boundary microphone engineered for capturing deep, resonant low-frequency sources. Ideal for kick drums, bass amplifiers, and acoustic pianos, it delivers tight, focused bass response with minimal proximity effect. Its compact design mounts flush against surfaces, making it perfect for studio recording, live sound reinforcement, and instrument miking applications where clarity and punch are essential.