Sundown Audio

Sundown Audio is an American car audio manufacturer specializing in high-output subwoofers and amplifiers built for serious bass enthusiasts and SPL competitors. Founded by Jacob Fuller in 2006, the company assembles products in North Carolina, USA, with meticulous attention to detail and rigorous quality testing. Their product lines—including the legendary SA, X, and Nightshade series—have earned a devoted following in the car audio community for delivering extreme power handling and deep, clean bass. Sundown was among the first to introduce high-excursion subwoofers and enhanced cooling systems, innovations that have become industry standards.