2) Pioneer TS-W311D4 12" 2800W Car DVC Subwoofers + Vented Ported Enclosure Box 2) Pioneer TS-W311D4 12" 1400 Watt Car Subwoofers 1400 Watt Max (2800 Watts Per Pair) 400 Watt RMS (800 Watts Per Pair) IMPP Woofer Composition Dual Layer Fiber Reinforced Elastic Polymer Surround