| Pickup Range | 70 m2 |
| Audio Transmission Distance | 3000 m |
| Sensitivity | -34 dB |
| Frequency Response | 20 Hz to 20 kHz |
| Directivity Characteristics | Omnidirectional |
| SNR | 60 dB (1 m 40 dB audio tone SPL), 40 dB (10 m 40 dB audio tone SPL), 1 kHz at 1 Pa |
| Dynamic Range | 70 dB (1 kHz at Max dB SPL) |
| Maximum Sound Pressure | 100 dB SPL (1 kHz, THD 1%) |
| Output Impedence | 600 ohm unbalanced |
| Output Signal Amplitude | 2.5 Vpp/-25 dB |
| Microphones | Capacitor microphone diaphragm |
| Signal Processing Circuit | ANC ambient noise cancellation technology |
| Signal Processing Circuit | ANC ambient noise cancellation technology |
| Protective Circuit | 30 KV Air contact ESD, lightning protection, reverse polarity protection |
| Drive Capability | Built-in pre-amplifier circuit can directly drive headphones |
| Connection Mode | 3 wires (power, audio out, GND) |
| Transmission Cable | 3-core shielded cable 0.5 mm2 RVVP |
| Supply Voltage | 12 VDC (9 V to 15 V) |
| Supply Current | Maximum 25 mA |
| Working Temperature | -13° F to 158° F (-25° C to 70° C) |
| Installation Mode | Fixed pedestal mounting |
| Shell Material | PVC |
| External Size | Φ 3.1" x 0.08" (Φ 78 mm x 28 mm) |
| Weight | 60 g |
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