PHOENIX GOLD Z8150 PHOENIX GOLD Sale! from £166.66 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Slim Active Underseat Subwoofer Enclosure 8" Includes Remote Bass Control 68mm x 250mm x 354mm SPEAKER / SUBS / AMPS SUBWOOFERS Tweet