inputs.text: visonik - first gave amp five star rating class budget tested amp two kicker 12 4 ohm dual voice coil 400 watts rms speakers wired parallel back 4 ohms not not drive thehem full potential 1600 watts giving amp 5 star rating price still hits pretty hard driving two speakers 4 ohms sounds great not not hit hard accustomed hearing expensive amps past tried wiring systehem 1 ohm amp ran 5 minutes heated shut not one ohm stable however hit hard drove speakers meant driven short period time read reviews amp researched archives posts web bloggersi agree saying amp not put says seehems little short put rating every manufacture different way rate amps though not test amp 2 ohms appears designed run two ohms get maximum power mentioned one ohm heats 4 ohms not drive quite hard enough running two 12 dual voice coil 4 ohm 400 watt rms speakers still buy two run speakers one speaker amps drive thehem done price 170 dollars lot less 450 last amp no sound compromise