AMERICAN MADE AMPS ARE BEST. RATE YOUR RMS POWER FROM YOUR SUBS TO THE RMS POWER OF THE AMP. MAKE SURE IF YOUR SUBS ARE MADE FOR SEALD, VENTED, OR PORTED. AMPS. ALPINE PDX1000X1 RMS, MTX TA SERIES, JL AUDIO, FOSGATE POWER, HIFONICS AND SOME KICKER. SUBS ALPINE R SERIES, MTX8500-9500, ALPINE X SERIES, KICKER SOLO X, JLW6-JLW7, AND BUY GOOD WIRE, MONSTER, STREET WIRE, KICKER, JL, AND FOSGATE.