QPower QBASS 12-Inch Vented Subwoofer Box vs Proline X P12D-P Dual 12" Ported Enclosure

Buy the QPower for a single 12-inch sub in a tight space where you want a simple, proven vented box. Buy the Proline X if you run two 12s and want a bigger, lower-tuned enclosure with better wiring and joinery. The QPower is a basic 5/8-inch MDF box rated 4.3 from 132 ratings; owners call it solid for the money but plain. The Proline X is a heavier 3/4-inch Langboard build with a 36Hz slot port, pre-wired 12-gauge OFC, and a recessed terminal cup, and it carries a one-year warranty.

• Choose the QPower if you have one 12-inch sub, limited trunk depth, and want a forward-firing vented box that drops in with minimal fuss.
• Choose the Proline X if you run two 12-inch subs and want a larger, lower-tuned slot-ported box with factory wiring and sturdier joinery.