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AS-720 
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    SPECIFICATION
    1. R.M.S.:3W
    2. Frequency Response: 20Hz ~ 20KHz
    3. Input Impedance: 75KΩ
    4. Input Sensitivity:7dB
    5. S/N Ratio:≥ 40dB
    6. Driver Unit: 3 inch / 4Ω
    7. Dimension:(W × D × H) 170 * 70 * 120mm
    8. Charing time: 3~4 hours
    9. Play time: 3~4 hours
    10. AC: 110V/220V  60Hz/50Hz(Switchabel)
    11. DC: 3V(UM-1×2 size batteries
    Tel:+86-2-23620816(Rep) Email:laikli@satellite-computer.com WhatsApp+8618680076905
    2018 Version Catalogue,Please download,At the top. Copyright © 1997-2018 Satellite Inc.All rights reserved.