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Shure BLX288/B58 Dual Wireless Vocal System

BLX88 dual channel wireless receiver : 2 BLX2 handheld transmitters with integrated Beta 58A® supercardioid dynamic microphone capsules : 2 microphone clips : PS23 power supply , WA621 color id caps and URT2 rack tray (optional accessories).

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About Shure BLX288/B58 Dual Wireless Vocal System

BETA58A with BLX2 Handheld Transmitter


  • Integrated microphone capsule design, featuring trusted Beta 58A 
  • -10 dB gain attenuation
  • Lightweight, rugged construction
  • Color ID caps (available separately)


  • Transmitter Type: Handheld

BLX88 Dual Channel Receiver


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

Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.


  • Dimensions
    40 mm X 388 mm X 116 mm (H x W x D)
  • Weight
    429 g (15.1 oz.)
  • Housing
    Molded ABS
  • Power Requirements
    12–15 V DC @ 160 mA (BLX88, 320 mA), supplied by external power supply
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