The SLXD14/85 Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications, from day-long presentations to nighttime performances. 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 WL185 Cardioid Lavalier Microphone with antenna and rackmount accessories and 2 AA batteries. Features WL185 Cadioid TQG Lavalier Microphone Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum Interchangeable cartridges that provide an optimal choice for each application Rotatable tie-clip that pivots in 90 degree increments for placement flexibility Supplied snap-fit foam windscreen that controls breath noise and stays on securely Supplied dual tie clip holds two microphones for dual miking applications 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 WATCH: SLX-D How To: Set Up and Use