Shure BLX14/PGA31 Wireless Headworn Microphone System

Enjoyed by public speakers, worship leaders, community theater groups, and fitness instructors, Shure’s BLX14/PGA31 Wireless Headworn Microphone System is unobtrusive and easy to use.

This system is comprised of a BLX1 Bodypack Transmitter, a BLX4 Receiver, and a PGA31 Headset microphone, as well as a power supply, windscreen, and clothing clip.

Shure BLX14/PGA31 System Features

• Headworn mic system for performers and presenters
• Includes a bodypack, a receiver, a headset mic, and accessories
• Simple setup and intuitive interface
• 2 AA batteries (included) provide up to 14 hours of continuous use
• 300 feet (91 m) operating range (line of sight)

The PGA31 Headset Microphone

This cardioid headset condenser mic features a wearable gooseneck design for improved comfort and hands-free operation in any situation, including multi-instrumentalists and performers.

The BLX1 Bodypack Transmitter

The lightweight yet rugged build of the BLX1 means you don’t have to worry about damage during everyday use, and it easily clips onto a belt, pocket, or guitar strap for optimal placement. A TQG connection on this transmitter enables connection with lavalier, headset, earset, and instrument mics, as well as guitar cables.

The BLX4 Wireless Receiver

The BLX4’s microprocessor-controlled internal antenna diversity reduces dropouts, while built-in 1/4" and XLR outputs enable connection to PA systems and mixing boards.

More about Shure's BLX Wireless Systems

Go wireless with confidence using this specially engineered system that gives you pristine audio clarity without noise interference or disappointing dropouts. BLX combines intuitive operation, rigorously tested quality and durability, and legendary sound right out of the box.

With consistent reliability across a wide variety of transmitters, receivers, and accessories, BLX gives you the versatility and selection to pick and choose precisely the equipment to fit your needs whatever that venue or performance.

Whether you’re a performer or presenter, BLX Wireless is the ideal choice for producing stellar, dependable sound.

• BLX1 Bodypack Transmitter1
• BLX4 Receiver1
• PGA31 Headset1
• PS24 Power Supply1
• Windscreen1
• Clothing Clip1

• System
  • Working Range: 91 m (300 ft) Line of Sight
  • Audio Frequency Response: 50 to 15,000 Hz
  • Total Harmonic Distortion Ref. ±33 kHz deviation with 1 kHz tone: 0.5%, typical
  • Dynamic Range: 100 dB, A-weighted, typical
  • Operating Temperature: -18°C (0°F) to 57°C (135°F)
  • Polarity: Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4-inch output.
• BLX1 Transmitter
  • Audio Input Level
  • max: -16 dBVmaximum
  • min (0 dB): +10 dBVmaximum
  • Gain Adjustment Range: 26 dB
  • Input Impedance: 1 MΩ
  • RF Transmitter Output: 10 mW, typical
  • Dimensions (HxWxD): 4.33x2.52x0.83" (110x64x21mm)
  • Weight: 2.6 oz. (75 g), without batteries
  • Housing: Molded ABS
  • Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
  • Battery Life: up to 14 hours (alkaline)
• BLX4 Receiver
  • Output Impedance
  • XLR connector: 200 Ω
  • 6.35 mm (1/4") connector: 50 Ω
  • Audio Output Level Ref. ±33 kHz deviation with 1 kHz tone
  • XLR connector: –27 dBV (into 100 kΩ load)
  • 6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)
  • RF Sensitivity: -105 dBm for 12 dB SINAD, typical
  • Image Rejection: >50 dB, typical
  • Dimensions (HxWxD): 1.57x7.4x4.06" (40x188x103mm)
  • Weight: 8.5 oz. (241g)
  • Housing: Molded ABS
  • Power Requirements: 12–15 V DC @ 235 mA (BLX88, 320 mA), supplied by external power supply (tip positive)