The Shure PGA31 Performance Headset Condenser Microphone 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.
Wearable wireframe headset for multi-instrumentalists and active performers
Permanently charged electret condenser element for detailed vocals
Flexible gooseneck design and discrete adjustment options optimize 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.
| Type |
Electret condenser |
| Frequency Response |
60 Hz to 20 kHz |
| Polar Pattern |
Cardioid |
| Output Impedance |
600 ? @ 1 kHz, typical |
| Audio Output Level |
-50 dBV/Pa |
| Signal to Noise Ratio |
66 dB @ 1 kHz |
| Maximum SPL |
145 dB, @ 1 kHz (1,000 ? load) |
| Dynamic Range |
117 dB, @ 1 kHz (1,000 ? load) |
| Output Noise |
28 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 |
50" (1.3 m)) |
| Connector |
TA4F |
| Weight |
1.59 oz (45 g) |
BLX4 Single-Channel Wireless Receiver:
The BLX4 Single-Channel Wireless Receiver 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-color 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.
| Output |
1x XLR Output 1x 1/4" (6.35 mm) Output |
| Output Impedance |
XLR: 200 ? 1/4": 50 ? |
| Audio Output Level |
XLR Connector: -27 dBV into 100k? Load (Reference /-33 kHz with 1 kHz Tone) 1/4": -13 dBV into 100k? Load (Reference /-33 kHz with 1 kHz Tone) |
| RF Sensitivity |
-105 dBm for 12 dB SINAD, Typical |
| Image Rejection |
>50 dB, Typical |
| Housing |
Molded ABS |
| Power Requirement |
12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive) |
| Dimensions (H x W x D) |
1.5 x 7.4 x 4.1" (40 x 188 x 103 mm) |
| Weight |
8.5 oz (241 g) |
BLX1 Bodypack Transmitter: The BLX1 Bodypack Transmitter 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.
| Audio Input |
Gain: -16 dBV (Maximum), 10 dBV (Minimum |
| Gain Adjustment Range |
26 dB |
| Input Impedance |
1 M? |
| RF Output |
10 mW, Typical |
| Housing |
Molded ABS |
| Power Requirement |
2x LR6 AA Batteries, 1.5 V Alkaline |
| Battery Life |
Up to 14 Hours |
| Dimensions (H x W x D) |
4.3 x 2.5 x 0.8" (110 x 64 x 21 mm) |
| Weight |
2.6 oz (75 g) |
