Enjoy the ultimate home theater experience with beFree Sound's 5.1 Channel Surround Sound Bluetooth Speaker System. This speaker system is sophistically designed, featuring a sleek look and smooth sound. With Bluetooth, USB, SD and FM radio capability, the system offers the best possible listening options for your enjoyment. 5.25 Amplifier x1 +3 Speakers x5 Output power:30W+10W5 Frequency response:40Hz-20KHz; Separation:50dB; S/N Ration:75dB Features:USB/SD/FM/bluetooth/Remote Included 1 x Subwoofer Speaker Satellite Speaker x 5 Audio Cable User Manual Remote Control FM Antenna.