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
Servo Sealed Kit and Flatpack (Single) | GR-Research
Harley-Davidson Audio powered by Rockford Fosgate Secondary Subwoofer Kit | Harley-Davidson USA
The Workhorse Passive GRS 8" Mini Subwoofer Kit
Scan-Speak Revelator 26W 10" Subwoofer Kit
MTX Audio TNP212D2 Dual 12" Subwoofer Package with Amplifier