Phoenix Gold ZX18PDF 8 Inch Sub Enclosure Slim Passive Subwoofer Box 250w RMSZX18PDF 8 Slim Subwoofer Box The Phoenix Gold ZX18PDF Slim Passive Subwoofer Box is engineered to deliver powerful bass performance in a compact, sealed enclosure. Featuring an 8 (200mm) subwoofer with a 2 ohm impedance, the ZX18PDF subwoofer box handles 250W RMS and peaks at 500W, ensuring deep, resonant bass for your audio system. Along with its tiny footprint, the ZX18PDF can be installed in any position, making it a 360 degree versatile box. The