Phoenix Gold Z8150V2 - 8" Inch 300 Watts Underseat Amplified Car SubwooferPG Z8150 V2 150 Watts Active Amplified UnderSeat Under Seat Car Sub Subwoofer The Z8150 V2 subwoofer is designed with maximum yield in a space at a competitive price. There are a few subwoofer boxes which are suitable for any application, for good additional layer to a heavy dual subwoofer box. Features 8 ""Compact Active Subwoofer Ideally suited for expansion directly behind original radio or aftermarket radio Specifications: 8 ""closed flat 150W