BOSS Audio Systems CUBE10 10 Inch Car Audio Subwoofer and Amplifier Package – Powered, Built-in Amplifier, Passive Radiator, Remote Subwoofer Control, For Truck, Boxes and Enclosures
Upgrade Your Car Audio with Quad 10 Inch Ported Sub Box - by Down4sound
Amazon.com: Bbox Dual Vented 10 Inch Subwoofer Enclosure - Pro Audio Tuned Dual Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Spring Loaded Speaker