QPower QBASS 12-Inch Vented Subwoofer Box vs Alpine W12S4 Dual 12" Ported Sub Box

Buy the QPower if you already own a 12-inch subwoofer and want a sturdy 5/8-inch MDF vented box with 1.65 cubic feet of airspace. Buy the Alpine if you want a complete, matched setup: a 3/4-inch MDF ported box with an Alpine W12S4 subwoofer already installed and wired. The QPower is a bare enclosure, so its final sound depends on the driver you put in it. The Alpine is a loaded system tuned around one woofer, and owners report solid output for a modest 250 W RMS driver.

• Choose the QPower if you already have a 12-inch subwoofer and want a solid MDF vented enclosure to drop it into.
• Choose the Alpine if you want a ported box and a matched Alpine subwoofer in one ready-to-install package.