Shure BLX4R Rackmount Wireless Receiver

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Product Overview The Shure BLX4R is a single-channel rack-mount wireless receiver for the BLX Wireless System, designed for permanent installation in commercial AV equipment racks. This rack-mountable analog UHF receiver provides QuickScan frequency selection and microprocessor-controlled antenna diversity for dependable performance in conference rooms, houses of worship, and presentation spaces. Its metal chassis and rack ears make it the install-grade receiver choice within the BLX lineup. Product Description The BLX4R receives a single BLX wireless channel and mounts directly into a standard equipment rack, keeping installed AV systems organized and serviceable. One-touch QuickScan locates the strongest open frequency at setup, reducing the risk of interference in RF-busy commercial environments. Microprocessor-controlled internal antenna diversity continuously selects the better signal path to limit dropouts as presenters move. XLR and 1/4-inch outputs connect the receiver to rack-mounted mixers, DSP, and amplifiers. As shown in the product images, the durable metal housing and front-panel controls suit fixed installations in boardrooms, worship spaces, and training rooms. Up to 12 compatible systems can operate per frequency band for multi-channel deployments. Key Features Rack-Mount Chassis — Metal housing with rack ears integrates cleanly into commercial AV equipment racks for permanent installs. QuickScan Frequency Selection — One-touch scanning finds the best open frequency to minimize interference during setup. Microprocessor-Controlled Antenna Diversity — Internal diversity maintains a stable wireless link as talkers move through the room. XLR and 1/4-inch Outputs — Balanced and unbalanced connectors interface with mixers, DSP, and amplifiers. Multi-System Scalability — Up to 12 compatible systems per frequency band support multi-channel commercial installations. Technical Specifications Configuration Single-channel rack-mount analog receiver Compatible System Shure BLX Wireless System Antenna Diversity Microprocessor-controlled internal diversity Frequency Selection One-touch QuickScan Output Connectors XLR and 1/4-inch Working Range Up to 300 ft (91 m) line of sight Compatible Systems Up to 12 per frequency band Show more