Shure BLX4R=-H9 Rackmount Wireless Receiver

The Shure BLX4R is a rack‑mountable single‑channel wireless receiver designed for use with Shure BLX wireless systems. It operates on the H9 frequency band (512 – 542 MHz) and is built in a rugged metal chassis for reliable performance in professional audio setups such as live sound reinforcement, A/V installations, venues, and conference rooms. The unit features intuitive controls and allows easy setup with QuickScan frequency selection to find a clean channel if interference occurs. It supports connection to PA systems and mixers through both balanced XLR and unbalanced 1/4″ outputs. The receiver includes two removable antennas for flexible placement and improved reception. A backlit LCD provides group, channel, RF signal strength, and audio metering information. The BLX4R is compatible with BLX1 bodypack and BLX2 handheld transmitters and supports up to 12 simultaneous systems per frequency band (region‑dependent).

Features

• Rack‑mount design with rugged metal construction and included rack hardware
• Single‑channel analog UHF wireless receiver, H9 band (512 – 542 MHz)
• One‑touch QuickScan frequency selection for interference‑free setup
• Microprocessor‑controlled antenna diversity with two removable antennas
• Backlit LCD display showing group/channel, RF and audio levels
• Two‑color audio status LED for normal/clipping indication
• Balanced XLR and unbalanced 1/4″ audio outputs with adjustable output level
• Supports up to 12 compatible systems per frequency band (region dependent)
• Operating range up to approximately 300 ft (91 m) line of sight