Shure AD4QNP=-A Four--channel receiver. Includes locking power and jumper cables, rackmount kit, and user guide. (470-636 MHZ)

The Shure AD4QNP=-A is a professional‑grade four‑channel Axient Digital wireless receiver in a single rack unit (1U) design. It is built for high‑profile live sound, broadcast, theater, corporate events, and installations where reliable, transparent audio and RF performance are critical. Operating in the UHF band (A: 470–636 MHz), it delivers robust digital diversity reception with low latency and can be integrated into large and complex wireless systems. The receiver supports network control and audio over digital protocols, and it is compatible with Shure AD and ADX series transmitters (sold separately). Its wide tuning range and advanced RF management help minimize dropouts and simplify frequency coordination in challenging RF environments.

Features

RF and Tuning

• 4 independent digital audio channels

• Wide tuning range covering 470–636 MHz (166 MHz span)

• Up to 6640 selectable RF frequencies

• True digital diversity per channel for stable reception

• Quadversity mode using four antennas for extended coverage and improved reliability

• High Density mode supporting up to 47 active transmitters in a 6 MHz TV channel

• AES‑256 encrypted wireless transmissions

• Channel quality meter displays RF signal‑to‑noise status