Best Buy: 1600W Class D Mono Amplifier and 12" Subwoofer
18inch 1600W Max Neodymium High Quality Big Power Subwoofer Speaker Unit for Professional Audio Car Audio - China Audio Part and Audio Raw Material price | Made-in-China.com
12" Subwoofer 1600w 4 Ohm DVC Pro Car Audio Bass Timpano Tpt-tsub12 D4 for sale online | eBay
DS18 ZXI10.4D ZXI High Excursion 10" Subwoofer 1600W Watts Dvc 4-Ohm 4 Magnets - Car Audio Giants