Shure QLXD1 Digital Wireless Bodypack Transmitter (G50: 470 to 534 MHz)Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the Shure QLXD1 Digital Wireless Bodypack Transmitter is ideal for wireless vocals and instruments in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD1 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (330 ft.) range. All metal construction