Rockville Rock Shaker 10" Inch Black 600w Powered Home Theater Subwoofer Sub

How to Set Up Your Rock Shaker Subwoofer The woofer is top quality with foam surrounds and features a Y30 grade magnet, and a 4-layer voice coil. We use a highly efficient class “D” amplifier that is engineered to be perfectly matched with the woofer and enclosure.

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