Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the Shure QLXD1 Wireless Bodypack Transmitter (G50/470-534MHz) 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 100m (330ft.) range. All metal construction ensures durability and a wide selection of compatible microphone.