Shop the Fox Acoustics FoxBox® collection at Trinity Car Audio for precision-ported and sealed subwoofer enclosures engineered for maximum bass output and acoustic accuracy. FoxBox enclosures are designed and tuned to work seamlessly with high-output subwoofers, delivering tight, powerful bass in a compact, vehicle-friendly package.

Built with premium materials and expert tuning, FoxBox enclosures take the guesswork out of box building so you can focus on getting the most out of your subwoofer setup.