Enjoy the best home audio experience with the BEFREE SOND 2.1 Channel Bluetooth Tower Speaker System. This speaker system is sophisticatedly designed, with elegant appearance and smooth sound. With Bluetooth, USB, SD and FM radio capability, the system offers the best possible listening options for your enjoyment. Drive Option: 8 x 2+4 x 2+1 x 2 Output Power: 35W x 2 Frequency Response: 40Hz-20KHz Separation: 50dB, S/N Ration: 75dB. Features: USB/SD/FM/Bluetooth/Optical/Coaxial Remote. Sold per pair.