Shure PGA31-TQG Headset Condenser Microphone for Wireless Systems

The Shure PGA31-TQG headset condenser microphone is a cost-effective, high-performance solution tailored for hands-free audio applications, such as live performances, presentations, and speeches. Designed by Shure, a leader in audio engineering, this microphone combines affordability with reliable sound quality, making it an ideal choice for vocalists, presenters, and multi-instrumentalists requiring a dependable wireless setup.

Product Design and Comfort

The PGA31-TQG features a lightweight wireframe headset, weighing approximately 45 grams (1.59 oz) per official specs, though some sources cite up to 60 grams including the cable and headband. This ergonomic design ensures comfort and stability during extended wear, perfect for active users. Its flexible gooseneck boom allows precise microphone placement, optimizing sound capture while minimizing background noise, a critical feature for live environments.

Audio Performance

Equipped with a permanently charged electret condenser element, the PGA31-TQG delivers crisp, detailed vocals. Its unidirectional cardioid polar pattern focuses on sound from the front, rejecting off-axis noise and providing higher gain-before-feedback—ideal for use with stage monitors. The frequency response of 60 Hz to 20,000 Hz is tailored for vocal clarity, while the included windscreen reduces plosives and wind noise, enhancing performance in dynamic settings.

Technical Specifications

• Type: Electret Condenser
• Frequency Response: 60 Hz to 20,000 Hz
• Polar Pattern: Unidirectional (Cardioid)
• Output Impedance: 600 Ω @ 1 kHz
• Audio Output Level: -50 dBV/Pa
• Signal-to-Noise Ratio: 66 dB @ 1 kHz
• Maximum SPL: 145 dB (1000 Ω load, @ 3% THD)
• Dynamic Range: 117 dB @ 1 kHz
• Equivalent Output Noise: 28 dB, A-Weighted
• Power Requirements: +5 V DC (nominal), 10 V max
• Cable Length: 1.3 m (50 in.)
• Connector: TA4F
• Net Weight: 45 g (1.59 oz.)

These specs highlight its ability to handle loud environments (up to 145 dB SPL) and maintain clarity with a 66 dB signal-to-noise ratio.

Connectivity and Compatibility

The PGA31-TQG features a TA4F (TQG) connector, ensuring seamless integration with Shure wireless bodypack systems like BLX, GLX-D+, and PGX series. This compatibility offers flexibility and reliability, making it a versatile addition to professional audio setups.

Practical Applications

Perfect for hands-free operation, this microphone suits active performers and presenters needing consistent sound quality. Its lightweight design and adjustable gooseneck provide comfort and precision, while its noise-rejecting features excel in live settings, reducing feedback and signal bleed.

Unexpected Versatility

Beyond basic expectations, its compatibility with multiple Shure wireless systems enhances its utility, offering professional-grade flexibility at an entry-level price point.

Conclusion

The Shure PGA31-TQG blends affordability, comfort, and performance, making it a standout choice for hands-free audio. Whether for stage, speech, or vocals, it delivers clear sound with robust features, backed by Shure’s trusted engineering.