Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories for wireless excellence, wherever required. Ships with SLXD4 single-channel receiver, SLXD1 bodypack transmitters and WL93 Miniature Omnidirectional Lavalier Microphone with antenna and rackmount accessories and 2 AA batteries. Features WL93 Miniature Lavalier Microphone  Sub miniature lavalier design; ideal size for theatre, television, broadcasting, video, film, and sound reinforcement Small, inconspicuous mounting hardware Full, clear sound comparable to larger microphones Smooth extended frequency response with presence rise specially tailored for chest-worn microphone operation Controlled low-frequency roll off reduces low-frequency clothing and room noise Low distortion, wide dynamic range SLXD1 Digital Wireless Bodypack Transmitter Transparent 24-bit digital audio 120 dB dynamic range Digital predictive switching diversity Easy pairing of transmitters and receivers over scan and IR sync Up to 8 hours from 2 AA batteries or optional Shure SB903 rechargeable battery TQG connectivity offers a variety of microphone options Ergonomic, durable plastic construction SLXD4 Digital Wireless Receiver  Transparent 24-bit digital audio 120 dB dynamic range Digital predictive switching diversity Up to 10 compatible systems per 6MHz TV band; 12 systems per 8 MHz band Easy pairing of transmitters and receivers over scan and IR sync Rugged metal construction