Support USB/SD Card, compatible with MP4/ MKV/ MPEG/ MPG/ TS/ TRP/ VOB/ FLV/ RMVB/ AVI/ MOV/ ASF/ WMV. THD: 1% A weighting (speakers) 10% (headphones). SNR: 60db (speakers) 82dB (headphones). Gross weight: 4.1 lbs.
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