600W 8/10inch Car Subwoofer, Powered Car Audio Subwoofers System, Underseat Subwoofer High Powered Amp Super Bass Speaker, For Car/Truck + Wiring Kit - Walmart.com
Subwoofers FAQ
JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
Adire Audio Shiva 12" | 500w Car Audio Subwoofer
P106DVC | BOSS Audio Systems, a Leading Audio & Video Brand