Rockville Punisher 8D2 8" 750w RMS Competition Car Subwoofer+Mono Amplifier Amp
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$301.90at WalmartChecked Nov 8
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This is a bundled competition-style bass setup: an 8-inch dual 2-ohm Punisher subwoofer paired with a Krypton M2 mono amplifier and a 4-gauge wiring kit. The sub uses a cast aluminum basket, a double-stacked 145 oz magnet and a 2.5-inch aluminum voice coil rated to 750 watts RMS, while the amp is dyno-certified at 750 watts into 1 ohm. It suits someone building a small-box, high-output system who wants matching sub and amp ratings in one purchase. Against name-brand 8-inch competition subs, it offers heavier hardware on paper for far less outlay, but it is a niche, high-power part rather than a drop-in upgrade for a stock system.
In stockSold by AudiosavingsReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owner feedback on the Punisher subs and Krypton amps centers on strong output for the money and heavy build, with complaints about reliability under hard use and optimistic power claims.
This package pairs a Rockville Punisher 8D2 8-inch dual 2-ohm competition subwoofer with a Rockville KRYPTON-M2 mono amplifier and a 4 gauge amp wiring kit. The subwoofer is rated at 750 watts RMS and 3000 watts peak. The amplifier delivers 750 watts RMS at 1 ohm and comes with a bass remote.
The subwoofer has a black non-pressed paper cone with black stitching, a thick foam surround and a 0.9 mm polypropylene dustcap. It uses a 2.5-inch 4-layer black aluminum voice coil wound with OFC wire. The coil is stable up to 250 degrees Celsius, and its windings are made in the USA. An oversized aluminum heatsink ring absorbs and dissipates heat to help keep the voice coils cool.
The amplifier has a digital voltage display, plus Power, Protect and Clip LED indicators on the front panel and on the remote. The clip indicator on the remote lets you set a song to just before clipping in real time. It also has an adjustable 12 dB per octave crossover with differential circuitry, a subsonic filter and an adjustable 12 dB bass equalizer.
