6 x 9"- 4Ω High Output, Waterproof, Carbon Cone, Oversized Tweeter Diamond Audio’s is proud to release it’s new and improved HXMF Black Series Coaxial Drivers. Building on the features of the HXM and HXMF platforms, the new HXMFB series increases performance where it counts. Higher output, more impactful bass response, and more high-end with new larger 1.5” Titanium tweeters. At Diamond Audio, we’re driven by a relentless passion for perfect sound. That’s why we’ve reimagined the legendary HXM a