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The Rockville DV8K52 is a pre-loaded bass package: two 8-inch K5 subwoofers mounted in a vented enclosure, wired to a 2-ohm final load. Rockville rates it at 400 watts RMS (CEA), 800 watts program and 1600 watts peak, so it is built for a modest amp rather than a big one. The 3/4-inch MDF box with a vented design is the practical draw: it saves you from building or matching a box yourself. Against separate subs and a custom enclosure it is simpler and cheaper to install, but 8-inch drivers move less air than 10- or 12-inch rivals, so expect tight, punchy bass rather than deep, room-shaking output.
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The Rockville DV8K52 is a pair of 8-inch K5 Series car subwoofers that comes already loaded in a vented enclosure. It is rated at 1600 watts peak, 800 watts program and 400 watts CEA RMS. The two subwoofers wire to a final impedance of 2 ohms.
The enclosure is 3/4-inch MDF that is bonded, stapled and braced. It has computer-designed vents, is angled at 15%, and is covered in aviation-grade tweed carpet. Speaker wire connects at satin nickel push terminals.
Each subwoofer has a fiber-reinforced non-pressed paper cone, a thick foam surround, blue stitched cone reinforcement and a polypropylene dust cap. The 1.5-inch 4-layer black aluminum voice coil is wound with OFC copper wire. It sits on a cast iron basket with a black sanded finish. A vent in the T-yoke helps dissipate heat, and a Rockville-branded mounting gasket seals the sub air-tight.
