Color : silver and black PMPO : 680W RMS: 30W Subwoofer : 16W (f0=100Hz, THD=10%) Satellites : 7W*2 (f0=1KHz, THD=10%)) S/N: >70dB Distortion : <0.08% at 1K, 1W Frequency Response : 20Hz - 150Hz (subwoofer) 100Hz - 20KHz (satellites) Size and Packing: Length width height Giftbox 298mm * 219mm * 380mm gross weight 5.3Kg Carton 675mm * 315mm * 400mm gross weight 15.9Kg Loadings 20' 40' 40'HQ 933sets 2266sets 2799sets Speaker units: woofer : 4', 4ohm, 20W fullrange speaker: 3', 4ohm, 5W