| Model | DS-2FP2020 |
| Parameters | HI-FI M icrophone for CCTV |
| Pickup range | 70 sq.m |
| Audio transmission distance | 3000m |
| Sensitivity | -34dB |
| Frequency response | 20Hz～20KHz |
| Directivity characteristics | Omnidirectional |
| SNR | 60dB(1m40 dB audio tone SPL）
40dB(10m 40 dB audio tone SPL)1KHz at 1 Pa |
| Dynamic Range | 70dB(1KHz at Max dB SPL) |
| Maximum sound pressure | 100dB SPL（1KHz，THD 1%） |
| Output impedance | 600 ohm unbalanced |
| Output signal amplitude | 2.5Vpp/-25dB |
| Microphones | Capacitor microphone diaphragm |
| The signal processing circuit | ANC ambient noise cancellation technology |
| Protective Circuit | 30KV 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 0.5mm² RVVP |
| Supply Voltage | DC 12V (9V-15V) |
| Supply Current | Max 25mA |
| Working Temperature | -25℃～70℃ |
| Installation Mode | Fixed Pedestal Mounting |
| Colour | White/Blue |
| Shell Material | PVC |
| External Size | Φ78mm×28mm |
| Weight | 60g |
