American Sound Connection Dual 12in Subwoofer Enclosure for 2007-2013

In this review the American Sound Connection Dual 12in Subwoofer Enclosure is presented for owners of 2007-2013 Chevy Silverado and GMC Sierra extended cab trucks who want a tidy, powerful bass upgrade. The bottom line: it is a purpose-built under-seat enclosure that delivers deep, rich bass and a near-factory look while maximizing limited space. Installers praising fit and sound will like it most, though buyers sensitive to long-term carpet wear should note a few durability caveats reported by other owners.

Key Features

• Durable construction: Built from sturdy materials so the box holds up to vehicle use and repeated handling over time.
• Factory-like appearance: Custom fit and finish blend with Silverado and Sierra interiors to keep a clean, OEM-style look under the seat.
• Enhanced sound quality: Designed for two 12in subwoofers to deliver powerful, precise bass and fuller low-end response.
• Space efficient: Dimensions are shaped to maximize available under-seat space without blocking foot room or cabin access.
• Compatible mounting depth: 6in mounting depth accommodates the majority of 12in subwoofers for broad speaker choice.
• Optimized air space: The enclosure provides 0.60 cubic ft total air space to tune output and keep bass tight.

Who It's For

This enclosure is aimed at Silverado and Sierra extended cab owners from model years 2007 through 2013 who want a clean, under-seat installation and significantly improved low-frequency output. It is particularly good for drivers who value a solid fit and factory-style integration rather than a large trunk-mounted box.

It is less suitable for owners who need extreme weatherproofing or who expect heavy abuse to the carpet covering, since some users have reported issues with carpet wear and board damage under heavy use. If long-term cosmetic endurance under rough conditions is critical, consider a reinforced enclosure or additional protective measures.

Pros & Cons

Pros

• Good under-seat fit for 2007-2013 Silverado and Sierra extended cab trucks that preserves interior aesthetics.
• Delivers powerful, well-defined bass when paired with quality 12in subwoofers.
• Solid build and perceived value for money by many buyers.
• Shallow mounting depth increases compatibility with a wide range of subs.

Cons

• Some owners report mixed durability of the carpet and occasional board cracking under stress, so careful handling during installation is advised.
• Floor depth and exact fit can be tight in trucks with extreme transmission humps or custom interiors.

Specifications

Vehicle fit	Chevy Silverado / GMC Sierra extended cab 2007-2013
Designed for	Two 12in subwoofers
Overall width	55-3/4 in
Height front / rear	Front 8-3/4 in / Rear 5 in
Depth	14-3/4 in
Mounting depth	6 in
Total air space	0.60 cubic ft

Our Verdict

The American Sound Connection dual 12in enclosure is a practical, well-sized solution for 2007-2013 Silverado and Sierra extended cab owners who want improved bass and a factory look without sacrificing cabin space. It represents good value and strong performance for most daily drivers, though buyers should mind carpet care and installation handling to avoid the durability issues some have reported.

Frequently Asked Questions

Will it fit under my 2009 Silverado extended cab seat?
Yes, the enclosure is specifically designed for 2007-2013 Silverado and Sierra extended cab trucks and fits under the seat in standard factory configurations.

What size subwoofers does it accept?
It is made to house two 12in subwoofers with a mounting depth of 6 in, compatible with most 12in models.

Is the enclosure sealed or ported?
The listing specifies a total air space of 0.60 cubic ft optimized for sealed operation to produce tight, controlled bass response.