Shure BLX4R J11 Band Wireless Receiver - Ideal for Seamless Audio Setup
Get improved linearity and frequency response with group and channel scan for easy setup! This rack mount analog wireless receiver is a game-changer. • One-touch QuickScan for instant frequency finding. • Adjustable output levels for perfect sound. • Two-color LED for audio status at a glance.
Features:
- QuickScan locates the best frequency in case of interference
- Up to 12 compatible systems per band (region-dependent)
- XLR and 1/4” output connectors
- Two-color LED indicates normal or excessive audio levels
- Adjustable output level for customization
- Removable antennas for easy distribution
- LC Display for detailed RF and audio metering
- Rack mount kit included for convenient installation
Specifications:
- System:
- 123 RF Channel Frequencies
- Antenna Diversity for better signal
- J11(596 - 616 MHz) RF Frequency Band
- 24 MHz RF Bandwidth
- Auto-Scan RF Channel Scanning
- 300' / 91.4 m Max Operating Range (Line of Sight)
- 12 Max Transmitters per Band
- Receiver:
- Rackmount Receiver Type
- Rackmount with included hardware
- 1 RU (1/2 Rack) Rackmount Size
- 2 x 1/4 Wave External, Detachable Antennas (Rear-Mount)
- 1 Audio Channel
- 1 x XLR 3-Pin Male Balanced Output and 1 x 1/4' TS Female Unbalanced Output
- XLR Outputs: -27 dBV (Mic Level), 1/4' Outputs: -13 dBV (Instrument Level)
- 50 Hz to 15 kHz Frequency Response (Dependent on Mic)
- XLR Outputs: 200 Ohms, 1/4' Outputs: 50 Ohms
- -105 dBm Approximate RF Sensitivity
- >50 dB Adjacent Channel Isolation
- AC/DC Power Adapter required
- 12 to 15 VDC at 160 mA, Center-Positive (Included)
- Backlit LCD and LED for status display
- Steel Housing
- 0 to 135°F / -17 to 57°C Operating Temperature
- 7.8 x 2 x 6.4' / 198 x 50 x 163 mm Dimensions (without Mounting Hardware, Antennas)
- 35.2 oz / 998 g Weight
- Packaging Info:
- 6.4 lb Package Weight
- 18.4 x 14.7 x 3.8' Box Dimensions (LxWxH)


This Shure BLX4R wireless receiver is perfect for those in need of a reliable audio solution. Whether you're a musician performing live, a presenter at an event, or someone setting up a sound system for a venue, this receiver has you covered. It's designed to provide seamless audio transmission. With a rack mount design, it's easy to install in your equipment setup. The receiver weighs 35.2 oz (998 g) and has dimensions of 7.8 x 2 x 6.4' (198 x 50 x 163 mm) without mounting hardware and antennas. It operates within a temperature range of 0 to 135°F / -17 to 57°C, ensuring reliable performance in various environments.