- 2.1 Muitimidialo speaker systemUSB / SD / FM- USB Remote- Output power 25w +10wx2- S/N 78dB- Frequency subwoofer 40Hz - 150Hz satellite 150Hz -20KHz- Speaker unit woofer 5.25"satellite 3"x2- Power AC220V 50Hz- Weight 7.23 (Kg)