Shure BLX14-CVL Lavalier Wireless System

The BLX14/CVL Lavalier Wireless Microphone System from Shure includes a BLX4 single-channel wireless receiver, a BLX1 bodypack transmitter, and a CVL Centraverse clip-on lavalier mic. The system is set to Shure's M15 frequency band and operates between 662 - 686 MHz.

The BLX1 bodypack transmitter has a 300ft/100m line of sight operation range with the BLX4 receiver. It is powered by two included AA batteries that can provide up to 14 hours of operation. The BLX4 receiver features microprocessor-controlled internal antenna diversity that helps prevent interference and signal dropouts. Its one-touch QuickScan feature detects the most interference-free frequency and sets the channel to it for fast setup.

The CVL Centraverse Lavalier Condenser Microphone from Shure is a miniature lavalier condenser microphone that is optimised for speech and vocal performance. A tie clip and windscreen are included.

The BLX4 Wireless Receiver from Shure is a single-channel receiver set to Shure's M15 frequency band and operates between 662 to 686 MHz. It has microprocessor-controlled internal antenna diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the frequency with the least amount of interference available.

Its front-panel dual-colour LED status indicator displays green for normal levels and red when clipping for fast metering. It has an XLR output in additional to an instrument level ¼" output. The BLX4 can be used with up to 11 other compatible systems simultaneously per frequency band.

The BLX1 Bodypack Transmitter from Shure is designed for use with Shure's BLX wireless systems. It is set to the M15 frequency band and operates between 662 and 686 MHz. It has a TQG input and can be used with Shure lavalier, headset, earset and instrument microphones. With the optional WA302 adapter cable, the BLX1 can be used as a transmitter for guitar. The unit has a top panel mounted on/off switch as well as volume control for quick access while speaking or performing. The BLX1 is powered by the two included AA batteries for up to 14 hours.

Product Features

• M15 Frequency Band
• BLX4 Single-Channel Wireless Receiver
• BLX1 Bodypack Transmitter
• CVL Centraverse Lavalier Microphone
• One-Touch QuickScan Frequency Selection

Key Features

• Designed for low visibility
• Permanently charged electret condenser element for vocal reproduction
• TA4F (TQG) connector integrates with Shure wireless bodypack systems
• Tailored frequency response optimised for public speaking and presentation

Specifications:

CVL Centraverse Lavalier Condenser Microphone

• Type: Electret condenser
• Frequency Response: 50 Hz to 20kHz
• Polar Pattern: Cardioid
• Output Impedance: 600 Ω @ 1kHz, typical
• Audio Output Level: -43.5 dBV/Pa
• Signal to Noise Ratio: 72 dB @ 1 kHz
• Maximum SPL: 129 dB, @ 1 kHz (1000Ω load)
• Dynamic Range: 117 dB, @ 1 kHz (1000Ω load)
• Output Noise: 22 dB, typical, A-weighted
• Power Requirements: +5 V DC (nominal), 10 V maximum (DC bias)
• Polarity: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
• Cable: 1.3m
• Connector: TA4F
• Weight: 25g

BLX4 Single Channel Wireless Receiver (M15: 662 - 686 MHz)

• Output: 1x XLR Output, 1x 1/4" (6.35mm) Output
• Output Impedence: XLR 200 Ohms, 1/4" 50 Ohms
• Audio Output Level: XLR Connector: -27 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
  1/4": -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
• RF Sensitivity: -105 dBm for 12 dB SINAD, Typical
• Image Rejection: >50 dB, Typical
• Housing: Moulded ABS
• Power Requirement: 12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive)
• Dimensions (H x W x D): 40 x 188 x 103 mm
• Weight: 241g

BLX1 Bodypack Transmitter (M15: 662 - 686 MHz)

• Audio Input: Gain: -16 dBV (Maximum), 10 dBV (Minimum)
• Gain Adjustment Range: 26 dB
• Input Impedance: 1 MOhm
• RF Output: 10 mW, Typical
• Housing: Moulded ABS
• Power Requirement: 2x LR6 AA Batteries, 1.5 V Alkaline
• Battery Life: Up to 14 Hours
• Dimensions (H x W x D): 110 x 64 x 21 mm
• Weight: 75g