Adopts multi-mic array, picking up sounds in the radius up to 10 meters · The built-in digital circuit is embedded with DSP processing unit and AGC technology to realize clear sound with high fidelity · With multi-mic array design and self-adaptive beamforming technology, the microphone reduces reverberation effectively · Supports accessing echo reference signal via line in interface, and with AEC algorithm, the microphone suppresses echo and squeal effectively · Supports smart noise reduction, avoiding environmental noise · The indicator is convenient for troubleshooting · Supports network settings and transmitting the audio stream to network camera and DVR/NVR · Supports 32 kHz audio sampling rate for HD sound · Power over ethernet, convenient for installation

Specifications

• Microphone
• Amount: 32
• Direction: Omnidirectional
• Pickup Distance: In the radius up to 10 m
• Sensitivity: -36 dB±1 dBFS
• SNR: 90 dB
• Frequency Response: 20 Hz~16 kHz
• Dynamic Range: 105 dB
• Max. Sound Pressure Level: 120 dBSPL
• Output Amplitude: 2.5 Vpp MAX
• Audio Transmission Distance: ≥3000 m
• Output Impedance: 600 Ω, balanced output
• Distortion Degree: ≤3%

• Functions
• Echo Suppression: Yes
• Noise Reduction Adjustment: digital noise reduction
• Volume Adjustment: ≥100 level volume adjustment
• Device Management: Power-off detection, program exception detection
• Anti-Reverberation: Yes

• Audio
• Audio Sampling Rate: 16 kHz, 32 kHz

• Interface
• Indicator: 

  Solid white: normally working

  Solid red: abnormal

  No light: no power supply

• Device Interface: Line out, Line in, DC power input, RJ45 network cable

• General
• Power: 9 VDC~30 VDC, PoE, 2.4 W Max
• Material: Plastic
• Dimension: Ø250 mm × 34.5 mm (Ø9.84" × 1.36")
• Weight: Approx. 740 g (1.63 lb.)
• Operating Condition: -10 ℃～50 ℃ (14°F~122°F, Indoor)