1800W Bass Package: 12" MS Subwoofer + JAD Monoblock Amplifier
1 Pair of JBL Club 1024 10" 1000W Selectable Impedance Car Audio Subwoofers 632016083519 | eBay
JBL SRX828SP Dual 18 Inch 2000 Watt Powered Subwoofer | American Musical Supply
JBL Club A600 High Performance Compact Class D Car Audio Mono Subwoofer Amplifier Bundle with Infinity KAPPA 1000W 10" High-Performance 1800W Peak Power Car Audio Subwoofer and Amplifier Wiring Kit - Road