Looking for crisp, punchy kick drum sound This used Shure Beta 91A condenser boundary microphone delivers exceptional performance and is in great condition. Designed specifically for kick drums and other low-frequency sources, it features a half-cardioid polar pattern for focused sound capture and superior off-axis rejection. Its integrated preamp and XLR connection make setup easy, while a tailored frequency response (20Hz�C20kHz) ensures studio-quality sound with extended low-end clarity and snap. The rugged design and low-profile form make it perfect for stage or studio use. Whether you're tracking in the studio or performing live, this Beta 91A brings consistent, high-impact sound that pros rely on.