Big 3 powering, JVC KW-NX7000, (1) Rockford Fosgate Power T1500-1bd, (1) Rockford Fosgate Power T400-4, (4) 6.5" beyma speakers, (1) 12" Kicker Sub, (1) kicker KX3 crossover, (1) capacitor. Like I said, never has this problem since about 3-4 years with this system.