Built for high-output bass systems, the SoundSkins Global Quad 15" Sealed Subwoofer Box is designed to house four 15-inch subwoofers in a rugged, USA-made enclosure. Its sealed design and 6.2 ft³ of air space provide a solid foundation for custom car audio installations where multiple subwoofers require a purpose-built enclosure.
Constructed from full 3/4-inch MDF, this 4 15 inch subwoofer box is built for strength and rigidity. The exterior receives a durable bed liner polymer spray finish that helps protect the enclosure from everyday wear while giving it a tough, professional appearance.
The angled-face design and four 13.875-inch round subwoofer cutouts make this enclosure a practical option for custom installations. With a 10-inch mounting depth, verify your subwoofer specifications before installation to ensure proper clearance.
Key Features
- Designed for four 15-inch subwoofers
- Sealed enclosure design
- Quad 15-inch round-hole configuration
- Angled-face design
- USA-made construction
- Built from full 3/4-inch MDF
- Durable bed liner polymer spray finish
- 6.2 ft³ of air space
- 10-inch mounting depth
- 13.875-inch cutout diameter per subwoofer
- Optional SMD TCR-1 terminal cup upgrade
Specifications
| Specification |
Value |
| Enclosure Type |
Sealed |
| Subwoofer Configuration |
Quad 15" |
| Subwoofer Holes |
4 |
| Width |
35" |
| Height |
16" |
| Depth |
28" |
| Mounting Depth |
10" |
| Cutout Diameter |
13.875" |
| Air Space |
6.2 ft³ |
| Weight |
56 lbs |
| Material |
Full 3/4" MDF |
| Finish |
Bed Liner Polymer Spray |
| Manufacturing |
USA Made |
Designed for Four 15-Inch Subwoofers
If your system calls for four 15-inch subwoofers, using an enclosure designed specifically for that configuration can simplify the installation process. This 4 15 subwoofer box provides four round mounting openings and a sealed internal design within a compact, custom-oriented enclosure.
The 10-inch mounting depth should be checked against the mounting depth of your chosen subwoofers before ordering. Proper clearance is important for a secure installation and reliable performance.
Optional SMD TCR-1 Terminal Cup
For demanding audio systems, the optional SMD TCR-1 Terminal Cup provides a heavy-duty connection solution with support for systems up to 2,000 watts.
TCR-1 Features
- Supports up to 2,000 watts
- 5/16-inch bolt terminal
- Stainless steel hardware
- Lightweight, high-strength construction
- Designed for demanding installations
- 2.75-inch cutout diameter
- 3.75-inch flange diameter
Built for Custom Quad 15" Systems
The SoundSkins Quad 15" enclosure combines 3/4-inch MDF construction, a sealed design, four round subwoofer openings, and a durable sprayed finish. Its USA-made construction makes it a strong option for custom audio builds requiring a quad 15 inch subwoofer box.
Whether you're searching for a quad 15 inch subwoofer box, 4 15 subwoofer box, 4 15 inch subwoofer box, or 4 hole 15 inch subwoofer box, this enclosure is designed around a four-subwoofer configuration while providing the durability needed for custom automotive audio installations.
USA-made and finished with a durable bed liner polymer spray for long-term durability.