3.1 speaker system with AC/DC input all functions handle by remote control USB/SD Reader,FM player,kara

**3.1  speaker system SPECIFICATION  :

1"+3" full range driver for satellites;

6.5" bass driver for subwoofer;

power indicator on front panel

front panel control for volume,treble,bass,balance.

with USB/SD interface

with Digital FM Tuning

All functions handle by remote control

Output power/RMS:30W+10W x 3ch

subwoofer:20Hz-300Hz

satellites speaker:200Hz-20KHz

separation:≥45dB±3dB

S/N::≥75dB±3dB

THD:≤1%

G.W:7.6KG

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3.1 speaker with USB/SD