Shure UAMS Passive Modular Mute Switch - BlackThe black Shure UAMS Passive Modular Mute Switch allows the performer to easily mute a wireless handheld microphone. The Mute Switch is recessed to avoid accidental activation. The compact, in line switch only adds 5 8" to microphones and provides over 50 dB of attenuation. Recessed switch avoids accidental activation Does not affect battery life Compact design adds only 5 8" to microphone Greater than 50 dB attenuation