4) New BOSS D10F 10" 3200W Car Slim/Flat Audio Subwoofers Subs Shallow Woofers 800 Watt Total Power Handling (1600 Watt PAIR) (3600 Watt per 4 Subwoofers) 400 Watt RMS Power Handling (800 Watt PAIR) (1600 Watt per 4 Subwoofers) Poly-Injected Metallic Cone with Foam Surround Magnet Structure: 60 OZ 2" Aluminum Voice Coil