Mens / Womens Shavers. Phoenix Gold ZX210PBS 700W Max Power 2 x 10-Inch Slim Passive Subwoofer Box. Big Bass In A Small Box. Experience optimal subwoofer performance in a compact design with the ZX210PBS. This slim box boasts two 10? Subs, one of which is a passive radiator that extends lower bass frequencies, enhancing the overall performance of the closed box. We’ve even designed it to be down-firing, maximizing the benefits of “corner” loading for extra gain. The single 2Ohm coil is perfectly matched with smaller monoblock amplifiers such as the ZXM500.1, making it an ideal choice for those seeking top-tier sound quality in a limited space. 2 x 10 Enclosure. Dimensions (L x W x H) 650 x 320 x 140mm.