Description
DS18 Black Bed Liner
DS18 EBM-FFPUFCG-4X8 Quad 8-Inch Front-Fire Ported Underseat Subwoofer Enclosure, Black, Chevy/GMC and Ford Crew Cabs
The EBM-FFPUFCG-4X8 places 4 8-inch subwoofer mounting positions beneath the rear seat of compatible crew cab trucks. Its front-firing, ported layout supports bass output while preserving cabin space. The black bed liner finish provides a durable exterior.
Black Bed Liner4 x 8-inch
Key features
- Fits 4 8-inch subwoofers in a quad enclosure for a truck bass-system build.
- Under-rear-seat placement preserves cabin space for passengers and everyday use.
- A front-firing ported design supports enhanced bass output beneath the rear seat.
- A durable black bed liner finish gives the enclosure a protective, understated exterior.
- Fits 2007-2026 Chevy/GMC and 2009-2026 Ford F-150/Super Duty crew cabs; no rear floor hump.
Crew cab installation
DS18 lists this quad enclosure for 2007-2026 Chevy/GMC and 2009-2026 Ford F-150/Super Duty crew cabs. Confirm the vehicle and underseat layout before installation.
Technical specifications
| Model | EBM-FFPUFCG-4X8 |
| Subwoofer mounting positions | 4 x 8-inch |
| Enclosure type | Front-fire ported |
| Placement | Under rear seat |
| Finish | Black Bed Liner |
| Chevy/GMC fitment | 2007-2026 Crew Cabs |
| Ford fitment | 2009-2026 F-150/Super Duty Crew Cabs |
Empty enclosure. Subwoofers and amplifier are separate. Does not fit models with a rear floor hump.