Subwoofer Design for the Max X MX15-22 123toid, April 14, 2021August 17, 2022, Blog Posts, DIY Speakers and Subwoofers, diy subwoofer, subwoofer design, 3 The new Max-X MX15-22 subwoofer is a high excursion beast. Subwoofer box design can be tricky. C an we...