inputs.text: works properly used - randy l 1 star great feedback detailed explanation product wonderful not deal actually product tested rated capacity voltagecurrent drops distortion linearity great results not best great useful hilo pass filters issue mounting fasteners cross thread screws duh hex head would choice design play loud music 130 db 15 20 volts every road trip work 110 f summerno heat amp clowns try increase wattage lowering load resistance deserve blown components definitely not hobby stereo take engineering courses electrical theory amp produce finite amount power dropping resistance amps melt no power gained