New Pair of Hifonics HFX12D4 12" 1600 Watt Car Subwoofers - 800 Watt Max (1600 Watt Pair) and 400 Watt RMS (800 Watt Pair) * DVC 4-Ohm High-Temp KSV Voice Coils * Injected Poly Light Rigid Cone with 1" NBR Reinforced Rubber Surround * Operates In Sealed & Ported Enclosures * Sensitivity: 87.25 dB