The BLX24/SM58 Wireless Vocal System from Shure joins world-class design and construction with simple and easy setup and operation, featuring QuickScan frequency selection and the precision-engineered SM58 vocal microphone capsule optimized for lead vocal performance. Legendary sound and performance, right out of the box.

Package Includes:

• BLX4 wireless receiver
• SM58 handheld microphone with BLX2 wireless transmitter
• Microphone clip
• Power supply
• 2 AA batteries
• Carrying Case
• User guide

BLX2 Transmitter Features:

• Integrated microphone capsule design
• -10 dB gain attenuation
• Lightweight, rugged construction
• Color ID caps (available separately)
• Up to 14 hours of continuous use (2x AA batteries included)
• Up to 300 feet (100m) transmission radius (line of sight)
• Quick and easy frequency matching (GROUP and CHANNEL selection buttons)
• Two-color transmitter status indicator LED
  -Green: “Ready”
  -Rapidly Flashing Red: “Controls Locked”
  -Solid Red: “Battery Power Low” (less than1 hour remaining)
  -Flashing Red/Power Down: “Batteries Dead” (replace batteries to repower transmitter)

BLX4 Single Channel Receiver:

• One-touch Quick Scan frequency selection quickly locates the best open frequency (in case of interference)
• Up to 12 compatible systems per frequency band (region-dependent)
• Two-color audio status indicator LED
  -Green: Normal audio levels
  -Red: Excessive audio levels (overload/clipping)
• XLR and ¼” output connectors

Specifications:

• Operating Range: 300 ft (91 m) line of sight (actual range depends on RF signal absorption, reflection and interference)
• Available Frequencies: Between 524 – 865 MHz (available frequencies depend on applicable regulations in country where system used)
• Audio Range: 50 – 15,000 Hz (dependent on microphone type)
• Transmitter RF Output Power: 10 mW, typical (varies by region)
• Audio Output Connector: XLR and 1/4" (6.3 mm) 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 k Hz tone)
• Operating Temperature Range: -18°C (0°F) – +50°C (122°F)
• Power Requirements:
  -BLX1: 2 AA alkaline or rechargeable batteries(included)
  -BLX4: 12 – 18 V DC at 150 mA, supplied by external power supply