Support USB Drive/SD card                   
Support FM radio                           
support Autio input
Output Power: 20W + 10W*2
P.M.P.0.: 1200W
S/N Ratio: ≥85dB
Woofer: 4" 30Hz-200Hz
Satellite: 3" x 2 200Hz-23KHz
Material: Plastic Panel, Wooden Case