Williams Sound MIC 100 Unidirectional Headband Microphone; Recommended for T27 transmitter, T46 transmitter, R38, R37 receivers; Improved RF resistance; Ideal for high-noise environments

Williams Sound PPA T46 Personal PA Body-pack Transmitter, Black/Silver, 1.25" OLED interface displays (master & aux volume level, mic mute, settings lock, battery level), Easy-to-use menu-access controls, 17-channel selectable

Williams Sound PPA R37N PPA Select FM Receiver with Belt Clip Fits with PPA T46, PPA T45, PPA T45NET and PPA T27 transmitters, Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth

Williams Sound HED 021 Deluxe Folding Headphones, Adult size, Mild and low gain hearing loss rating, 100 mW Max Power Input, Sensitivity 110 dB @ 1kHz, 30mm Driver Size