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    HD-32C 86Anti-riot pickups

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      Pointing characteristics: Omni-directional
      Indoor and outdoor: indoor installation
      Shell material: aluminum alloy
      Installation method: wall mounting, buried wall mounting
      Industry applications: judicial prisons, financial banks, public prosecution, sp
    • 介绍说明
    • 产品参数
    • 产品尺寸
    1, dual-core dual-mic riot pickup, professional dual-core voice noise reduction processor, high-definition restoration of live sound.
    2、Thickened metal anti-violence 86 panel, anti-violence appearance design, hidden microphone openings to prevent man-made damage.
    3, two senior complementary digital gold-plated recording omnidirectional capacitor microphone, clear and natural voice, bright voice.
    4、FPGA dual-core digital noise reduction core, ATDA dynamic noise level detection, adaptive bandpass filtering.
    5, "ClearSpeech for Peakfire" patented technology, to achieve WDRC wide dynamic range compression.               
    6, built-in high-speed voice DSP digital processing unit, integrated professional AGC and DTS noise reduction signal microprocessor circuit.
    7, built-in 24BIT voice processor, up to 30dB adaptive noise reduction capability, intelligent reduction of background and environmental noise.
    8, pre-set AEC super-echo technology, digital EQ function, 64/128 times of oversampling, sampling accuracy of its high.
    9, microphone and circuit after waterproof, moisture-proof technology, suitable for long-term use in humid rooms.
    10, ultra-long line transmission patent technology, using 3-core 0.5mm2 RVVP shielded cable transmission 3 km without distortion.
    11, -40 ℃ ~ 75 ℃ super ambient temperature work to ensure that the back end of high-quality recording effects.
    12, integrated ASIC preamplified audio circuit, directly drive active speakers, hard disk recorders, network cameras, etc.
    13, low noise, good sound quality, low price, suitable for high demand for engineering applications.
    14、Passed the inspection of the Security and Police Electronic Product Quality Testing Center of the Ministry of Public Security.
    15、Won the computer software copyright of the National Copyright Administration of the People's Republic of China.
    16、Obtained IP56 dustproof and waterproof standard test report.

     

    Pickup range: 10 ~ 70 square (continuously adjustable)
    Pickup head: dual digital gold-plated recording omnidirectional condenser microphone
    Pointing characteristics: omnidirectional enhancement
    Sensitivity: -40dB±2dB (1 kHz@94dB SPL)
    Signal-to-noise ratio:70dB (1 kHz@94dB SPL)
    Distortion:≧ 0.3%(74dB SPL, A-weighted)
    Maximum Sound Pressure:120dB SPL (1 kHz ≤ 3% THD, A-weighted.)
    Frequency Response:20Hz ~ 20kHz (1 kHz@94dB SPL)
    Output level:2.5Vpp/(1 kHz@94dB SPL A-weighted)
    Voice platform:MINI DSP audio processor
    Software method:DSP digital audio noise reduction processing system (soft copy 5878715)
    Noise reduction capacity:5dB~10dB (adaptive noise reduction)
    Protection circuit: polarity protection, misconnection protection, lightning protection
    Connection: three-wire system: power line (red), audio (white), common ground (black)
    Signal transmission :3000 meters twisted pair, shielded cable (electromagnetic complex environment please use shielded cable or transmitter)
    Supply voltage:Linear regulated power supply DC 9V-15V (12V recommended)
    Power supply current :25 mA
    Operating environment :-40℃ ~ 75℃
    Dimensions:L86mm×W86mm×H15mm (L: length W: width H: height)

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