DR 903

 Output power: 40W+15W x 2
 Drivers: 5.25" Subwoofer
 2"x2 Satellite Speaker
 Frequency Response: 40Hz~20KHz
 Single/Noise Ratio: > 75 dB
 Power Supply: AC 100~240V/50Hz, DCA 16V/3A
 Master volume bass control
 Support Bluetooth connectivity, USB, FM
 Mobile AUX input
 Support Coaxial, Optical, TF Card, Connection Playback
 Full function remote control