Samsung DA-E651, 2.1 channels, 40 W, 3.0+HS, iPad, iPhone, Black, 20 W Samsung DA-E651. Audio output channels: 2.1 channels, RMS rated power: 40 W. Bluetooth version: 3.0+HS. Apple docking compatibility: iPad, iPhone. Product color: Black. Subwoofer RMS power: 20 W