Digital Speech Enhancement Double Microphone up to 100m2 Range
Digital Microphone SUPR-1000
Built-in Digital chips, high sensitivity with clear voice suitable for CCTV audio surveillance
Microphone array speech enhancement algorithm, with the speech processing DSP, efficient dynamic noise reduction processing.
Applicable to the courts, interrogation, cell, divisions, police station, the telecommunication and bank vault, etc.
Using advanced Ogg Voribs speech compression coding technology, the reduction degree of voice is higher.
Built-in automatic gain control unit (AGC).
Using high speed DSP can output high fidelity voice and without delay.
Built-in lighting protection module, power supply polarity reverse connection protection module, electrostatic protection module and power supply protection module.
Using long-distance audio signal transmission technology and RVVP3×0.5mm2 shield cable.
Comply with the CE, FCC, and ROHS standard.
Compatible with every brand DVR and IP camera.
Parameter:
- Monitoring range: 10-100sqm (adjustable)
- Working voltage: 12 V DC regulated power
- Supply current: 20mA
- Operating Temperature: - 30 ℃ ~ 60 ℃
- Transmission distance: up to 3000meters
- Sensitivity Reduction: -35db
- Signal Noise Ratio: 70db
- Frequency response: 20hz to 20KHz
- Directivity: Omni directional
- Output signal amplitude: 2.5 Vpp /- 25 db
- Maximum sound pressure: 120db SPL (1 KHz, THD 1%)
- Connecting way: red line--power, black line - ground wires, white line -- audio.
- Transmission cable: 0.5 mmRVVP 3 core shielded cable, ordinary 4 core telephone lines, five types of network twisted-pair cable