Product Features
  • H8 Frequency Band
  • BLX4 Single-Channel Wireless Receiver
  • BLX1 Bodypack Transmitter
  • PGA31 Headset Microphone
  • One-Touch QuickScan Frequency Selection
Our Price $769.00

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The BLX14/P31 Headset Wireless Microphone System from Shure includes a BLX4 single-channel wireless receiver, a BLX1 bodypack transmitter, and a PGA31 headset mic. The system is set to Shure's H8 frequency band and operates between 518 - 542 MHz.

The BLX1 bodypack transmitter has a 91.44 m 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 PGA31 Performance Headset Condenser Microphone from Shure is a wireframe headset cardioid condenser microphone that can be used for a variety of vocal, general speech, and performance applications. A windscreen is included.

The BLX4 Wireless Receiver from Shure is a single-channel receiver set to Shure's H8 frequency band and operates between 518 to 542 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 H8 frequency band and operates between 518 and 542 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.

Key Features

  • Wearable wireframe headset for multi-instrumentalists and active performers
  • Permanently charged electret condenser element for detailed vocals
  • Flexible gooseneck design and discrete adjustment options optimise microphone positioning for further source isolation
  • TA4F (TQG) connector seamlessly integrates with existing Shure bodypack systems
  • Tailored frequency response primed for great sound on vocals
PGA31 Performance Headset Condenser Microphone
TypeElectret condenser
Frequency Response60 Hz to 20 kHz
Polar PatternCardioid
Output Impedance600 Ω @ 1 kHz, typical
Audio Output Level-50 dBV/Pa
Signal to Noise Ratio66 dB @ 1 kHz
Maximum SPL145 dB, @ 1 kHz (1,000 Ω load)
Dynamic Range117 dB, @ 1 kHz (1,000 Ω load)
Output Noise28 dB, typical, A-weighted
Power Requirements+5 V DC (nominal), 10 V maximum (DC bias)
PolarityPositive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Cable1.3 m
Weight45 g
BLX4 Single-Channel Wireless Receiver (H8: 518 - 542 MHz)
Output1x XLR Output
1x 1/4" (6.35 mm) Output
Output ImpedanceXLR: 200 ohms
1/4": 50 ohms
Audio Output LevelXLR 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
HousingMoulded ABS
Power Requirement12 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
Weight241 g
BLX1 Bodypack Transmitter (H8: 518 - 542 MHz)
Audio InputGain: -16 dBV (Maximum), 10 dBV (Minimum)
Gain Adjustment Range26 dB
Input Impedance1 MOhm
RF Output10 mW, Typical
HousingMoulded ABS
Power Requirement2x LR6 AA Batteries, 1.5 V Alkaline
Battery LifeUp to 14 Hours
Dimensions (H x W x D)110 x 64 x 21 mm
Weight75 g
Shure BLX14-P31 Headset Wireless System
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