Shure BLX4 Wireless Receiver

BLX4: A Durable Analog Wireless Receiver for Optimal Sound Performance

The BLX4 wireless receiver is a reliable and sturdy choice that provides superior linearity and frequency response for optimal sound quality. It offers a group and channel scan feature that simplifies the set-up process, as well as microprocessor internal antenna diversity and frequency QuickScan. Moreover, its two-color audio status indicator LED ensures you'll always know how your system is performing.

This device is designed to be user-friendly, with intuitive controls and one-touch QuickScan frequency selection to quickly locate the best open frequency in the event of interference. It is compatible with BLX® Wireless Systems.

Please note that when purchasing separate wireless components, it is critical to match their frequency bands to ensure proper system operation.

Key Features

• XLR and 1/4" output connectors
• Two-color audio status indicator LED
  Green: Normal audio levels
  Red: Excessive audio levels (overload/clipping)

Technical Specifications

Output Impedance
XLR connector: 200 Ω
6.35 mm (1/4") connector: 50 Ω
Audio Output Level
Ref. ±33 kHz deviation with 1 kHz tone
XLR connector: -27 dBV (into 100 kΩ load)
6.35 mm (1/4") connector: -13 dBV (into 100 kΩ load)
RF Sensitivity
-105 dBm for 12 dB SINAD, typical
Image Rejection
>50 dB, typical
Dimensions
1.57 in. X 7.40 in. X 4.06in. (40 mm X 188 mm X 103 mm) H x W x D
Weight
8.5 oz. (241 g)
Housing
Molded ABS
Power Requirements
12-15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)