Shure WA662 In-Line Dual Mute Switch for 2x Shure Bodypacks In-line bodypack mute switch allows the performer to easily mute 2 bodypack transmitters. Features: For microphones with TA4F connectors Two output connectors Two-position toggle switch with tactile feedback Robust metal belt clip No electrical switch noise >100 dB of attenuation for mute Passes bias voltage to power microphones