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Color：
matte black
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Power supply：
Power Adapter; Input:100-240V，0.5A，50/60Hz、Output:DC 12V，2A；Phantom Power- +48VDC
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Interface：
Type B USB interface; 3.5mm audio monitoring jack; DC power interface; 7 3.81mm phoenix interface terminals
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Audio Features:
adaptive cancellation; adaptive noise suppression; adaptive gain adjustment; Smart mixing
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Functional features：
High-quality audio processor of the educational interactive recording broadcasting system + 4-way wired ceiling microphone, the audio processor can be connected to active speakers for playback, the audio processor can be connected to headsets, hheld microphones, mixers, recording broadcasting boxes; 4-way ceiling Microphone picks up sound; the host audio processor is equipped with independent input output volume adjustment knobs.
