I HAVE A 4 CHANEL 800 WATT HK AMP HOOKED IT UP TO TWO MA 12 INCH 400 RMS SUBS SOUNDED GREAT FOR ABOUT 15 MIN THEN THE PROTECTION LITE CAME ON AND NOW WILL NOT GO OFF...I HAVE THE SUBS HOOK AT 2 OHMS AND I DISCONECTED THE CAP 2 FARE..SO I HAD NO POWER GOING TO THE AMP WAITED ABOUT 10 MIN THEN...