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 SM35 Performance Headset Condenser Cardioid Microphone with two windscreens, headset clip, antenna and rackmount accessories and 2 AA batteries. Features SM35 Performance Headset Condenser Microphone  Wireframe headset fits securely and comfortably for active performers and multi-instrumentalists Tight, unidirectional cardioid polar pattern rejects signal bleed and feedback for use on loud stages and behind floor monitors Flexible gooseneck design allows for optimized placement that further improves source isolation Lightweight and low-profile form enables comfortable, long-wearing use TA4F (TQG) connector is compatible with any Shure wireless bodypack Locking snap-fit windscreens tame plosives, breath, and wind noise for clean and intelligible sound Tailored frequency response refined for clear, crisp vocal reproduction Included in BLX and GLX-D® wireless systems, renowned for their ease of use and reliable performance Legendary Shure precision engineering for durability and performance 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