The Xtreme HERO 2:1 Multimedia Bluetooth Speaker With Remote features an output power of 10W+5W*2 (20 RMS). It requires a power supply of ~230V 50Hz. This multimedia speaker has been equipped with Sat: 2.5″ x 2 + Sub: 4″ driver units. The Satellite has a frequency response of 120Hz-20KHz and the subwoofer has a frequency response of about >20Hz-170Hz. It has a separation of >40dB and sound to noise ratio of about >70dB. It features distortion of <0.5% (1K, 1W). The dimension of the subwoofer is W150*H241mm*D237 and the size of the satellite is W90*H148mm*D86mm. The Xtreme HERO 2:1 Multimedia Bluetooth Speaker With Remote Comes with a 01-year Warranty.