Cylindrical Mic Multistage DNR AGC LoNoise ALC 80m2

NV-YNSUPR-117 Cylindrical Microphone

• Using multistage dynamic noise reduction processing, clear voice, low noise
• Echo cancellation technique. Reduce the echo 
• DSP noise reduction processing, Automatic gain control (AGC) circuit, ALC automatic level control
• Built in lightning protection processing, power polarity reversal protection processing
• Integrated import front audio amplifier, microphone can drive directly Active speaker, DVR and recorder
• Suit for place such as police, court, meeting room. Interrogation room, bank, etc.

Parameter

• Monitoring range: 10-80sqm
• Working voltage: 12 V DC regulated power
• Supply current: 20mA
• Operating Temperature: - 30℃ ~ 60 ℃
• Sensitivity Reduction: -40db
• Signal Noise Ratio: 75db
• Frequency response: 20Hz ~ 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