JBL SRX918S 18" 1100 Watt Active Powered Subwoofer Class D Sub w/ DSP | Reverb
JBL Club Series 12" 1100 Watts Selectable 2 or 4 Ohm Subwoofer CLUB 1224 - Walmart.com
BOSS AUDIO SYSTEMS 12 in. 1000-Watt Car Subwoofers 1100-Watt Mono Amp R1100M Plus Amp Kit and 12 in. Enclosures 2 x CXX12 + R1100M + AKS8 + QTW12 - The Home Depot
Amazon.com: JBL Club 1224 12" Car Audio Subwoofer : Electronics