zBox GMC14FD Dual Under-Seat Ported Box for GMC
Under-seat dual face-down box with dual ports for GMC 2014–up
$199.99
Overview
When you want ported bass under the seat, zBox GMC14FD is a ported dual-sub enclosure with dual ports made for GMC 2014-up. Construction is carpeted MDF, and the baffle faces downward under the seat. Available in 10 or 12 inch. Cabinet arrives empty so you can pick woofers that fit your power plan.
Product details
Ported dual-sub for GMC 2014-up
GMC14FD is a ported dual-sub enclosure with dual ports for GMC 2014-up. The baffle faces downward under the seat.
Fitment
Fitment: GMC 2014-up. Confirm cab, seat, and clearance on your vehicle before ordering.
Build
Carpeted MDF with dual ports. Side terminal access where the design includes it.
Sizing
Available in 10 or 12 inch. Confirm fit before ordering. Enclosure only.


Key features
- Ported dual-sub enclosure for GMC 2014-up
- Face down under the seat
- Carpeted MDF construction
- Available in 10 or 12 inch
- Made in the USA
- Empty enclosure; load your own drivers
Specifications
| Weight | 34 lbs |
|---|---|
| Dimensions | 59 × 8.5 × 14.5 in |
| Size | 10 inch, 12 inch |
| Enclosure Type | Empty |
| Vehicle Make | GM |
| Box Style | Ported |
| Model | GMC14FD |
| Configuration | Dual sub under seat face down ports |
| Acoustic design | Ported |
| Finish | Charcoal automotive carpet over MDF |
| Terminal | Side-mounted speaker terminal cup |
| Fitment | GMC 2014 and newer |
| Origin | Made in the USA |
| Parent SKU | GMC14FD |
| Variation SKUs | 10GMC14FD, 12GMC14FD |
| Product type | Empty ported subwoofer enclosure |
| Mount | Face down (subs fire toward the floor) |
| Cutout sizes | 10 inch, 12 inch |
Important notes
Under-seat face-down dual-port fit. Enclosure only.
What's in the box
- One empty GMC14FD enclosure (selected size)
Manuals and downloads
None.

