QLX-D™ Digital Wireless Systems deliver 24-bit digital audio with extended, virtually flat frequency response. Offering reliable functionality and simplified setup/operation, QLX-D systems support an exceptional number of channels. Automatic channel scan and IR sync make assigning open frequencies fast and easy. Ethernet connection provides networked channel scanning and compatibility with Wireless Workbench® software. AES-256 encryption ensures secure transmissions. The QLXD4 is a half-rack digital wireless receiver that features transparent 24-bit digital audio and efficient RF spectrum usage. Ideal for presentations, venues, and houses of worship, it offers professional features and streamlined setup/operation. Automatic scanning, one-touch sync, and Ethernet networking enable easy control via PC or Mac.