The Shure WA662 Mute Switch allows you to connect a lavalier or headset microphone with a TA4F connector to two wireless bodypack transmitters and provides an easy-access, tactile feedback switch for muting. For microphone with TA4F connectors Two-position toggle switch with tactile feedback Robust, reversible metal belt clip No electrical switch noise >100 dB of attenuation for mute Passes bias voltage to power microphones Features two TA4F output connectors for redundant transmitter and frequency diversity applications