MA Audio recently released XQ & QS Series Subwoofers for the car. It features an aluminium basket for light weight and great strength, a double stitched Glafibe surround, dual 4 ohm or single voice coils XQ or QS Subwoofer. They’re now available in 8, 10, 12, and 15-inch sizes. No word on pricing or availability. [MobileWhack]
