Phoenix Gold ZR10P ZR Series 10 Inch Sub Compact Underseat Subwoofer 200w RMSZR10P 10 Compact Subwoofer The ZR10P is a 10 inch powerful compact subwoofer suitable for a variety of different vehicles. This powerful subwoofer will enhance your audio experience with pounding bass thanks to its 200W RMS (400W Max) output along with its 0 12db variable bass boost. The compact size of the sub is teamed with a durable aluminium casing to provide a strong rugged unit that can be installed in a variety of different locations including