RMS: Subwoofer 18 W / Salellite 2 X 2 W Frequency Response:40Hz-20Hkz Drivers: 66mm Fullrange / 104mm Woofer Control Features: Power Switch / VolumeControl / Bass Control / 3D Control Dimension:(W X H X D) Subwoofer Unit: 85 X 215 X 335 Satellite Unit: 55 X 320 X 55