Shure BLX188/CVL Dual Wireless Lavalier Microphone System

Shure BLX188/CVL Lavalier Microphone System

The Shure BLX188/CVL is a dual-channel wireless lavalier microphone system designed for professional presentations, theater, and business applications. It includes two BLX1 bodypack transmitters and two durable Centraverse Lavalier (CVL) microphones featuring a low-visibility, cardioid condenser design for clear, focused vocal reproduction.

This system offers up to 14 hours of continuous use per transmitter, a transmission range of up to 300 feet (line of sight), and QuickScan frequency selection to avoid interference. The BLX88 dual wireless receiver supports up to 12 compatible systems per frequency band and provides XLR and 1/4" outputs for easy integration with audio systems.

Ideal for presenters who need reliable, hands-free wireless audio with superior sound quality and straightforward setup.

Shure BLX188/CVL Features

• Miniature clip-on lavalier microphone for low visibility

• Permanently charged electret condenser element for clear vocal reproduction

• Unidirectional (cardioid) polar pattern rejects unwanted noise for improved sound quality

• Included tie clip allows hands-free use, ideal for presenters

• TA4F (TQG) connector seamlessly integrates with Shure wireless bodypack systems

• Included windscreen reduces plosive, wind, and breath sounds

• Tailored frequency response optimized for public speaking and presentation

• Legendary Shure precision engineering ensures durability and performance

Transmitters

• Up to 14 hours of continuous use (2 AA batteries)

• Up to 300 feet (100m) transmission radius (line of sight)

• Quick and easy frequency matching via GROUP and CHANNEL selection buttons

• Two-color transmitter status indicator:

  • LED Green: Ready

  • Rapidly Flashing Red: Controls Locked

  • Solid Red: Battery Power Low (less than 1 hour remaining)

  • Flashing Red/Power Down: Batteries Dead (replace batteries to repower transmitter)

BLX1 Bodypack Transmitter

• TQG connection for use with Shure lavalier, headset, earset, instrument microphones, and guitar cables

• Tactile on/off switch for reliable control

• Adjustable gain control for precise audio levels

• Lightweight, rugged construction for durability

BLX88 Dual Channel Receiver

• One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference

• Supports 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 1/4" output connectors for flexible system integration

hure BLX188/CVL Specifications

General

• Working Range: 91 m (300 ft) Line of Sight

• Audio Frequency Response: 50 to 15,000 Hz (varies with microphone type)

• Total Harmonic Distortion: 0.5% typical (@ ±33 kHz deviation with 1 kHz tone)

• Dynamic Range: 100 dB, A-weighted (typical)

• Operating Temperature: -18°C (0°F) to 57°C (135°F)

BLX1 Bodypack Transmitter

• Audio Input Level Gain: Max -16 dBV / Min 10 dBV

• Gain Adjustment Range: 26 dB

• Input Impedance: 1 MΩ

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

• Dimensions (H x W x D): 110 x 64 x 21 mm

• Weight: 75 g (2.6 oz) without batteries

• Housing: Molded ABS

• Power Requirements: 2 LR6 AA batteries (1.5 V, alkaline)

• Battery Life: Up to 14 hours (alkaline)

BLX88 Dual Wireless Receiver

• RF Sensitivity: -105 dBm for 12 dB SINAD (typical)

• Image Rejection: > 50 dB (typical)

• Dimensions:

  • BLX4: 40 x 188 x 103 mm

  • BLX88: 40 x 388 x 116 mm

• Weight:

  • BLX4: 241 g (8.5 oz)

  • BLX88: 429 g (15.1 oz)

• Housing: Molded ABS

• Power Requirements: 12-15 V DC @ 160 mA (BLX88: 320 mA), supplied by external power supply (tip positive)

CVL Centraverse Lavalier Condenser Microphone

• Type: Electret Condenser

• Frequency Response: 50 to 20,000 Hz

• Polar Pattern: Unidirectional (Cardioid)

• Output Impedance: ~600 Ω @ 1 kHz (typical)

• Audio Output Level: -43.5 dBV/Pa

• Signal-to-Noise Ratio: 72 dB @ 1 kHz

• Maximum SPL: 139 dB (at 3% THD, 1000 Ω load)

• Dynamic Range: 117 dB @ 1 kHz (1000 Ω load)

• Equivalent Output Noise: 22 dB (typical, A-weighted)

• Power Requirements: 5 V DC nominal, 10 V max (DC bias)

• Cable Length: 1.3 m (50 in)

• Connector: TA4F

• Net Weight: 25 g (0.88 oz)