QLX-D™ Digital Wireless Systems deliver defined, streamlined performance with transparent 24-bit digital audio.

So… you get the QLXD2 handheld transmitter, topped with the versatile Beta58A capsule – dynamic, supercardioid and suited for both clear speech and stage vocals.

As far as digital wireless goes, Shure has hit the jackpot with QLXD. All you need to do is hit a button for infa-red syncing with the QLXD4-H53 receiver.

The blurb from Shure:

Featuring transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD2 handheld transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD2 quickly syncs with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m range. All metal construction ensures durability, and a wide selection of compatible microphone choices offer legendary Shure sound signatures.

QLXD2/B58 – Wireless Digital Handheld Transmitter:

H53 Frequency = 534-598 MHz