The SLXD15/UL4B Portable digital wireless bodypack system delivers transparent, 24-bit digital audio and rock-solid RF performance for videographers, ENG and field production, film and location sound applications. Operate up to 32 compatible systems per 44 MHz band, with easy setup and optional rechargeability accessories. The SLXD1 features a TQG connector for compatibility with a wide selection of lavalier microphones. Includes SLXD1 bodypack wireless transmitter, UniPlex™ UL4B Cardioid Lavalier Microphone, SLXD5 single-channel portable receiver, two zippered carrying pouches and two pairs of AA alkaline batteries.