Really pissed off ok i have 2 18 fi Q's fully loaded started out with 2 memphis 1000 watt mono class d got tired of being under powered, went to Kole audio amps phatnik or what ever 4000 class d mono and every 3 or 4 months got to replace amp(eXchange). Been doing alot of research i'm liking the diablo hellfire, us amp, and a few others only looking for something in my budget but also should just spend the money to stop with the bs repairs. Any and all comments welcomed.