● Specially designed for prison interrogation system of synchronous recording, pinhole type design, hidden installation.
● The Advanced resin material "honeycomb" collect sound design, completely eliminate "hiss" electronic noise.
● BOURNS large gilded vibration membrane microphones, 5～50㎡ in high fidelity, high sensitivity, high bandwidth and low noise.
● Using 0.8mm pinhole type design, its internal resonance spoke after precise calculation, the sound is more clearly.
● Unique dolby omnidirectional logic surround sound standard design, built-in high-speed voice DSP processing units, two level dynamic noise reduction processing.
● Built-in AGC noise reduction signal processing circuit, effectively reduce serious echo of empty room.
● Built-in ALC level control circuit, automatically adjust high, low intensity of voice and instantaneous voltage and current surge.
● Long audio signal transmission technology, use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.
● Integrated professional front audio amplifier circuit, direct drive, active speakers, DVR, earphones, etc.
● Applicable to interrogation room, courts, public security organs, procuratorate, banks and other any places need to monitor, give full play to the effect of high-fidelity sound pickup.
● Gain patent certificate of State Intellectual Property Office of The People's Republic of China.
● Gain computer software copyright of National Copyright Administration of The People's Republic of China.
Guangzhou Sizheng Electronic Technology Co.,Ltd.
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