NS-10 V.3 D2 - Sundown Audio 10" 2500 Watt RMS Dual 1-Ohm Nightshade V.3 Series Subwoofer NS V.3 10" D2 - Sundown Audio 10" 2500 Watt RMS Dual 2-Ohm Nightshade V.3 Series Subwoofer Outside Diameter: 11.65" Cut-Out: 10.01" Recommended Port Area: 24 in^2 Depth: TBA