- built-in powerful amplifier- digital FM radio / Bluetooth Play- USB/SD card reader- Full function remote Control- Master volume/ treble/bass control- Output Power:20W + 10Wx2- frequency response : 40Hz-20KHz- S/N Ratio :>72dB- Separation :>40dB- AC Power: 230V. 50Hz.- Size : 29 x 19 x 34 cm.- Weight : 3.8 kg.อ่านเพิ่มเติม