Sharp CD-G20000P Specs: Mini system, CD player, Radio tuner, Speaker system, Radio / 5xCD / MP3 / dual cassette, Stereo, 135 Watt - 8 Ohm - 100 - 20000 Hz - THD10 % - 2 channel(s) (Front), 65 Watt - 16 Ohm - 5000 - 20000 Hz - THD10 % - 2 channel(s) (Rear), 300 Watt - 6 Ohm - 50 - 120 Hz - THD10 % - 2 channel(s) (Subwoofer), 1000 Watt, Main unit : 10.2 in x 12.7 in x 13 in / 9.7 lbs, Speaker system : Right/left channel speaker : 7.7 in x 9.6 in x 15.7 in / 10.8 lbs, Speaker system : Right/left rear channel speaker : 5.7 in x 9.1 in x 15.7 in / 6.4 lbs, Speaker system : Active subwoofer : 18.1 in x 15.8 in x 15.7 in / 44.5 lbs