Shure BLX4R Rack Mount Wireless Receiver

Shure BLX4R

Rack-mountable receiver with removable antennas for quick distribution


The BLX4R Wireless Rackmount Receiver

 Single-channel receiver set to Shure's J10 frequency band and operates between 548 to 608 MHz. It has dual antennas with microprocessor-controlled internal diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the available frequency with the least amount of interference.

The unit features an LCD display for RF and audio level metering while its front-panel dual-color LED status indicator displays green for normal levels and red when clipping. It has an XLR output in additional to an instrument level 1/4" output. A rear-panel control provides output level. The BLX4R can be rackmounted with the included rackmount kit.


Output1x XLR Output 
1x 1/4" (6.35 mm) Output
Output ImpedanceXLR: 200 ohms 
1/4": 50 ohms
Audio Output LevelXLR Connector: -20.5 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone) 
1/4": -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
RF Sensitivity-105 dBm for 12 dB SINAD, Typical
Image Rejection>50 dB, Typical
HousingMolded ABS, Steel
Power Requirement12 to 15 VDC @ 260 mA, Supplied by External Power Supply (Tip Positive)
Dimensions (H x W x D)2.0 x 7.8 x 6.4" (50 x 198 x 163 mm)
Weight2.2 lb (998 g)
Packaging Info
Package Weight6.0 lb
Box Dimensions (LxWxH)18.4 x 14.8 x 3.9"

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