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  5. 4 channels output 4 channels output : 2 Products from 2 Suppliers & Manufacturers
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  • 82 Inch Smart E Blackboard

    • Place of origin:  

      China

    4200(W)*1220(H)mm Physical resolution 1920（H）×1080（V） color 10bit, 1.07B Refresh rate 60HZ Brightness 350cd/m2 Contrast ratio 4000：1（Typ.） Viewing angle 178° Glass thickness 4mm tempered glass Service life 50000 hours Smart e blackboard hardware specification Image system PAL/SECAM/NTSC（Option） Audio system BG /DK /I/L Channel storage 200 Decoding 3D digital comb filter, 3D i

    [Related Keywords : smart e blackboard]

    Contact Now Start Order

  • Wireless Adaptor (Sound Transmission)

    • Place of origin:  

      China

    • Supply Ability:  

      10,000 pcs per month

    output device such as earphone, headphone, loud-speaker, etc APPLICATIONS: - lesson - meeting - presentation - outdoor activities - tour guide - private / designated channel SPECIFICATIONS: Audio Signal - sampling rate 16bit, 16KHz Pairing - auto pairing Frequency Response - 20Hz - 7.2KHz Transmission - 2.4GHz Simplex Power Supply - rechargeable Lithium Battery (built-in) Current C

    [Related Keywords : learning, speaker, mircophone, multi speaker]

    Contact Now Start Order
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