Cambridge Audio Minx S322 Stereo Mini Speaker System Package, High Gloss Black Min 20 satellite speaker dimensions: 6.0 x 3.1 x 3.3" Power Handling: 15-75 W Recommended X300 subwoofer: 12.4" x 10.5" x 11.0" Power Output: 300W Frequency Response: 33Hz (-6dB) - 200Hz