inputs.text: everything worked fine - coming prosound installation sound technician background giving review people interested product firstly used power cable included definitely 10 gauge though looking amplifier vents toroid used giving wire count size toroid actually rated roughly 200 watts power gauge wire ground wires included matched amplifier visonik soundsystem connected alpine audiophile headunit preamp outputs rated 2 volts processor spec 24bits amplifier crossed 80 hertz headunit crossed 80 hertz well soundsystem suprised play drum bass music no rear speakers vehicles rear deck thus acting ported box coming customer installed 21 subwoofers local shows pumping 1200 real watts anyone considering product say buy way