Making the jump to wireless should be liberating, not challenging. Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage.

Technical Specs:

Operating Range: 300ft (91m) line of sight (Actual range depends on RF signal absorption, reflection and interference)

Transmitter RF Output Power: 10 mW, typical (varies by region)

Audio Output Connector: XLR and 1/4" (6.3mm) unbalanced

Maximum Output Level

27 dBV (XLR, mic level)

13 dBV (1/4")

Battery Life: Up to 14 hours

Dynamic Range: 100 dB A-weighted

System Distortion: 0.5% THD typical (ref. +/- 38 kHz deviation, 1 kHz tone)

Operating Temperature Range: -18°C (0°F) to +50°C (122°F)

Frequency response: 662-686 Mhz

Shure BLX24R/B58 (Beta 58A) Handheld Wireless System includes:

BLX4R Single-Channel Receiver

XLR and 1/4" output connectors

Two-color audio status indicator LED

Green: Normal audio levels

Red: Excessive audio levels (overload / clipping)

One-touch QuickScan frequency selection quickly locates the best frequency

Microprocessor-controlled internal antenna diversity

Compatible Systems per Band: Up to 12 (Region dependent)

Power requirement: 12-18 V DC at 260 mA supplied by external power supply (included)

BLX4R ONLY: Adjustable output level

BLX4R ONLY: Removable antennas for quick antenna distribution

BLX4R ONLY: LCD display with detailed RF and audio metering

BLX4R ONLY: Rugged metal construction, rack mount hardware included

BLX2/B58 (Beta 58A) Handheld Transmitter:

Precision-engineered microphone capsule optimized for lead vocal applications

Specs:

50Hz-16kHz

Polar Pattern: Supercardioid

Operating Principle: Dynamic

Frequency Response: Tailored

Integrated microphone capsule design featuring Beta 58A

Lightweight, rugged construction

Power and battery status LED

Adjustable gain control

Quick & easy frequency matching

Power requirement: 2 AA batteries (included)

single and dual rackmount kit

2 1/4 wave antennas

zipper bag

microphone clip

power supply

2 AA batteries