The Shure QLXD1 is a wireless bodypack transmitter designed for professional installations requiring versatile audio solutions. It operates over UHF frequencies with Digital Predictive Switching Diversity, High-Density mode, and AES-256 encryption. The unit has 1/8” TA4M connector, backlit LCD, and adjustable gain control. Provides 9+ hours of continuous use with 2 AA batteries. Connects to a variety of lavalier, headset, and instrument microphones. Its RF range is 330 feet. Automatic syncing ensures seamless link and operation. The rugged, metal construction ensures durability and reliable performance.