SX210 2x10" Direct Radiating Slimline Dual Subwoofer 500W BlackThe SX210 is a slimline dual driver subwoofer designed for situations that call for a visually unobtrusive enclosure. It can be used singly, stacked or flown via integral M10 inserts and its ultra compact size makes it ideal for applications where space is limited. It features dual 10 (250mm) 2 (50mm) voice coil drivers and generously sized low frequency ports for reduced air noise. The SX210 enclosure is constructed from plywood and finished in black