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The QPower QBOMB12TB is a dual 12-inch ported subwoofer enclosure built from 3/4-inch MDF with a spray-on bed liner finish. Each chamber gets two turbo ports and about 2.2 to 2.7 cubic feet of air space, so it is tuned for deep, loud bass rather than tight, accurate output. It suits someone who wants a big, showy bass build in a trunk or hatch and already has two 12-inch subs and an amp to drive them. Against plain sealed boxes it plays louder and lower, but it takes up serious space and needs a vehicle that can fit a wide, tall box.
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Lowest price we've seen: $126.58 on Nov 14 at Explosive Powersports. Tracked across 13 stores since Nov 14.
Owners rate it well overall and mostly praise the bass output and the rugged-looking finish for the money. Some report rough edges, loose terminals or a box that arrived less solid than expected.
This is a dual 12-inch subwoofer enclosure with a triangle ported design. It has two 12-inch woofer openings and four turbo ports, two for each chamber.
The box is built from 3/4 inch MDF. It is sprayed with a bed liner finish using genuine Rhino Lining Coating. "Q Bomb" is etched in the top of the box. Connections are made through spring-loaded terminals.




