Sky High Car Audio FXB Series Subwoofers
Available in 6.5 18 | D2/D4 Ohm Options
FXB: Sky High Performance. Everyday Price.
The FXB Series by Sky High Car Audio is designed to deliver powerful, controlled bass at an unbeatable value. Built for those who want serious performance without breaking the bank, the FXB Series brings real-world output, reliable design, and our signature engineering approach to a more accessible price point. Whether youre upgrading your daily driver or building a clean, budget-conscious system, the FXB Series offers solid performance with no shortcuts where it counts.
TheFXB Series 6.5is compact, efficient, and surprisingly potent. With a15mm Xmax,400W RMSrating, and a2 high-temp voice coil, this small-frame subwoofer punches above its weight. Adouble-stacked ferrite motor,5.5 progressive spidersand10-gauge direct leadshandle clean power transfer. Designed with ashallow mounting depth, it fits easily into doors and tight sealed applications without sacrificing output or control.
TheFXB Series 8follows suit with a bit more throw and power. With a17mm Xmax,500W RMSrating, and the samedouble-stacked Y35 motor structure, it runs on a slightly larger6.5 spider packand10-gauge direct leads. Still compact in depth, the FXB 8 is ideal for small ported or sealed enclosures where space is tight but impact matters.
TheFXB Series 10is where things get serious. Featuring a30mm Xmax, this sub is rated for1000W RMSand is built around a3 4-layer voice coil, the same coil used in our h
larger 1218 FXB subs. The motor remains adouble-stacked ferrite design, and the suspension includes a full-size8.8 progressive spiderfor added linear control. Finished with acast aluminum basketandpush terminals, the FXB 10 is one of the most capable budget 10s on the market.
Every FXB subwoofer carries the Sky High Car Audio design languageblacked-out aesthetic,tooling for strength, andreal-world durability. These arent stripped-down entry-level driverstheyre the result of smart material choices and years of design refinement to bring maximum value to everyday builds.
Box Designs:Sky High Car Audio is proud to partner withHunter Martin from EZ DBs, one of the most respected and proven enclosure designers in the industry. Well be offering FREEbox designsincluding ported, 4th order, and 6th order options where applicabletailored specifically for our subwoofers to ensure maximum performance and reliability. As a bonus, any customer who purchases4 or more BMX, FMX, or FXXL series subwoofersdirectly from Sky High Car Audio will receive a$50 credit toward a custom enclosure design from EZ DBs, giving you a serious head start on a professionally designed, competition-ready subwoofer enclosure. Every SHCA subwoofer is tested usingDATS-LA, measured with the backplate off the surface after full break-in, ensuring accurate and trustworthy TS data.
SHCA-FXB-8 Enclosure Designs
Note: The FE and FXB Series subwoofers are not customizable. For custom options including forged carbon fiber cones, additional spiders, glue packages, and colorful basket finishes, refer to our BMX, FMX, and FXXL lines.
Sky High Performance. Everyday Price.
Welcome to the Sky High Car Audio Revolution.
