USB Speaker
FS-391
Output Power : 3W x2R.M.S 10% THD
Speaker unit : 3"x 2
Frequency Response :150HZ~20KHZ
S/N ratio: >= 65db
Power /Volume,Tone control/Earphone Jack
Dimension : 110(W) x 240(H) x 115(D)mm
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USB Speaker
FS-780
Output Power : 3W x2R.M.S 10% THD
Speaker unit : 3"x 2
Frequency Response :150HZ~20KHZ
S/N ratio: >= 65db
Power /Volume,Tone control/Earphone Jack
Dimension : 110(W) x 240(H) x 115(D)mm
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