12″ SUB BOX SINGLE SLOT PREMIUM - Kyalami Motorsport spares
1x Port Single 12" Universal Standard Cab Truck Subwoofer Box Enclosure 1" MDF | eBay
Amazon.com: DS18 SB12A 12 Inches Shallow Subwoofer Enclosure with Built in Amplifier – Car Audio All in One Amplifier and Subwoofer Bass Package 700 Watts Power – Great Stealth Car Subwoofer in
GT-12BP | 12" (300mm) car audio bandpass subwoofer box