Diamond Audio D312D2.2 D3 Series 12" subwoofer with dual 2-ohm voice coils at Crutchfield
500W RMS, 1000W MAX 2-Ohm Impedance 12 Inch / 250mm Subwoofer - DES124 - Diamond Audio
Ak12s5 Series OEM Brand High Quality Paper Cone High Level Subwoofer 5000W RMS 12 Inch Speaker with Aluminum Basket Car Audio Price Negotiable - China Car Speaker, Shadow Subwoofer | Made-in-China.com
Black Diamond 12" 2000 Watts 2-Ohm DVC Subwoofer DIA-T12.2D — Big Jeff Online Inc