Shure BLX4

Shure BLX4 Wireless Receiver for PG, SM and Beta Wireless

The Analogue Wireless Receiver BLX4 provides improved linearity and frequency response for up to 12 compatible channels per group with group and channel scan for easy set-up.

• Up to 12 compatible systems (region dependent)
• Microprocessor-controlled internal antenna diversity
• One touch QuickScan locates the best open
• Frequency
• ¼" and XLR audio outputs
• Two color audio status indicator LED
- Green: Normal audio levels
- Red: Excessive audio levels (overload/clipping)


• Power supply: PS23
• 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: 40 mm X 188 mm X 103 mm (H x W x D)
• Weight: 241 g
• Housing: Molded ABS
• Power Requirements: 12–15 V DC @ 160 mA, supplied by external power supply (tip positive)