Spldecendant 10+ year member
CarAudio.com Elite
I had 4 kicker 2500.1 08 models for 2 years solid voltage at 13.5 never had a problem......then my freind bough a 2011 zx2500.1 and I seen it get put to the test he was running at voltage that would drop to 9.8v on some real low notes for a year long and it just failed the other day he got quote only 185$ to get fixed so if an amp can hold up in voltage for 9-10v for a year long daily driver and would beat on it for 2-3 songs like that I think the quality is pretty nice.