Behringer BA19A Condenser Boundary MicrophoneA Super Mic for Drums and Instruments The Behringer BA 19A is designed for use with kick drums, as well as other traditional low frequency applications including piano. Featuring an updated microphone capsule and XLR connection, BA 19A offers a strong low frequency response and is specifically tailored for bass frequency applications. The BA 19A combines superior attack and punch for studio quality sound, even at extremely high sound pressure level.