zBox SQHSPE Single Cubed Subwoofer Enclosure
Sealed cubed box with one square cutout for square-frame subs
Price range: $79.99 through $129.99
Overview
SQHSPE is the single-chamber square-cut cube: one square opening for a square-frame subwoofer, sealed MDF under charcoal carpet, and a side terminal cup. Available in 8, 10, 12 or 15 inch. Sold as an empty enclosure; bring your own subs and amp.
Product details
Single square-cut cube
Where SQHE is dual and rectangular, SQHSPE is cubed with a single square cutout. Use it for one square-frame woofer in a compact sealed chamber.
Build
Carpeted MDF, sealed joints, recessed side terminal cup. No port.
Sizing and fit
Available in 8, 10, 12 or 15 inch square cutouts. Round-frame drivers need a round-cut model such as KSPE. Enclosure only.


Key features
- Sealed single-sub cubed enclosure with a square cutout
- For square-frame subwoofers (not round baskets)
- Carpeted MDF with side terminal cup
- Available in 8, 10, 12 or 15 inch
- Compact cube footprint
- Empty cabinet — mount your own square-frame sub
Specifications
| Weight | 40 lbs |
|---|---|
| Dimensions | 17.5 × 20 × 16 in |
| Size | 10 inch, 12 inch, 15 inch, 8 inch |
| Enclosure Type | Empty |
| Vehicle Make | Universal |
| Box Style | Sealed |
| Model | SQHSPE |
| Configuration | Single sub square cut, cubed |
| Acoustic design | Sealed |
| Finish | Charcoal automotive carpet over MDF |
| Terminal | Side-mounted speaker terminal cup |
| Fitment | Universal |
| Origin | Made in the USA |
Important notes
- Enclosure only; subwoofer sold separately.
- Square cutout only — incompatible with standard round-frame mounting.
- Sealed cubed design; check height clearance.
- Universal empty box; measure before ordering.
What's in the box
- zBox SQHSPE sealed single square-cut cube (selected size)

