Cambridge Audio - Minx S325 v2 - Home Cinema System - High Gloss White Min 21 satellite speaker dimensions: 6.0" x 3.1" x 3.3", Sensitivity; 87dB (2.83 Vrms input), Drive units: 1 x 2.25" BMR, 1 x 2.25" longthrow woofer. Power Handling: 15-200 W Recommended X300 subwoofer: 12.4" x 10.5" x 11.0" Power Output: 300W Frequency Response: 33Hz (-6dB) - 200Hz