FMX Series
Sky High Car Audio FMX Series Subwoofers
Available in 6.5” – 18” (excludes 10”) | D1/D2 Ohm Options
FMX: Forged to Perform. Built to Endure.
The FMX Series from Sky High Car Audio is the result of years of innovation, real-world testing, and deep involvement in the high-output car audio scene. Every aspect of this line reflects our passion for pushing limits—from competition lanes to daily builds. Drawing from decades of experience and leadership in the industry, the FMX lineup represents a smarter, stronger class of subwoofers purpose-built for those who demand reliable performance and lasting thermal stability.
Sky High Car Audio is proud to partner with Hunter Martin from EZ DB’s, one of the most respected and proven enclosure designers in the industry. We’ll be offering FREE box designs—including ported, 4th order, and 6th order options where applicable—tailored specifically for our subwoofers to ensure maximum performance and reliability. Every SHCA subwoofer is tested using DATS-LA, measured with the backplate off the surface after full break-in, ensuring accurate and trustworthy TS data.
SHCA-FMX-6
SHCA-FMX-8
SHCA-FMX-12
SHCA-FMX-15
SHCA-FMX-18
Welcome to the next tier of performance.
Welcome to the Sky High Car Audio Revolution.