2) New BOSS P156DVC 15" 5000W Car Subwoofers + BOSS PH5000D 5000W MONO Power Amp 2500 Watt MAX (5000 Watt PAIR) 1250 Watt RMS (2500 Watt PAIR) DUAL 4 Ohm Voice Coils Poly Injected Cone Competition Style Binding Posts