We researched numerous manufacturer specifications and owner feedback to identify the best subwoofer enclosures for single cab trucks. In our evaluation of fitment and acoustic design, we compared several models to help you find the right box for your vehicle.
Our team analyzed build materials, air space volume, and depth measurements to ensure these recommendations offer genuine value. We compared user reports regarding installation ease and sonic output to provide an accurate picture of what to expect from each enclosure.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Q Power QBomb Single 12 Behind Seat Best Overall Type: Sealed, Single 12 Inch |
9.0 | 🛒 Check Price |
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Atrend Bbox 12S Single 12 Sealed Runner Up Air Space: 1.25 Cubic Feet |
8.3 | 🛒 Check Price |
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Skar Audio SK1X12V Single 12 Vented Best Vented Tuning Frequency: 36 Hz |
8.1 | 🛒 Check Price |
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American Bass XFL 12 Single Cab Box High Power Depth: 13.5 Inches |
7.7 | 🛒 Check Price |
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Scosche EFX S12B Sealed Subwoofer Enclosure Budget Choice Material: 5/8 inch MDF |
7.4 | 🛒 Check Price |
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Sound Storm LOPRO10 Low Profile Compact Mounting Depth: 5.25 Inches |
7.1 | 🛒 Check Price |
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Pyle PL12BL Bandpass Subwoofer System Basic Bandpass Design |
6.8 | 🛒 Check Price |
1. Q Power QBomb Single 12 Behind Seat: Best Overall

In our evaluation, the Q Power QBomb stood out due to its robust 5/8 inch MDF construction and distinctive bedliner finish. We compared its air space specifications to industry standards and found it provides an optimal environment for a single 12 inch subwoofer. The terminal cups are securely mounted, ensuring a solid connection during operation.
However, we noted that the heavy construction contributes to significant weight, which can complicate the installation process for a single person. Based on owner feedback, users looking for a lightweight, easily portable enclosure should consider skipping this model in favor of lighter alternatives.
- Constructed from heavy duty 5/8 inch MDF
- Features a bedliner spray finish for durability
- Includes terminal cup connectors for easy wiring
Pros: Durable bedliner finish resists scratches; Excellent fitment for most single cab trucks; Solid construction reduces resonance
Cons: Heavy weight makes installation difficult
2. Atrend Bbox 12S Single 12 Sealed: Runner Up

We researched the Atrend Bbox 12S and found its mitered corners and airtight terminal cups offer excellent structural integrity. The box is designed with a specific air volume of 1.25 cubic feet, which we compared favorably against manufacturer recommendations for common 12 inch subwoofers. The bedliner finish adds a layer of protection against the elements.
Despite its strengths, our comparison revealed that the carpet covering can be thin and susceptible to tearing during tight installations. Buyers who prioritize a heavy-duty carpet finish over the bedliner texture might want to look at other options on the market.
- Airtight recessed terminal cups
- Specialized bedliner spray finish
- Mitered corners for superior strength
Pros: High quality seal prevents air leaks; Sturdy build with mitered corners; Precise air space for accurate sound
Cons: Carpet is thinner in some areas
3. Skar Audio SK1X12V Single 12 Vented: Best Vented

Our analysis of the Skar Audio SK1X12V highlights its vented design, which allows for greater air movement and higher output levels compared to sealed boxes. We compared the birch plywood material to standard MDF and found it offers a lighter yet rigid structure. The 36 Hz tuning frequency is ideal for users seeking deep, resonant bass.
We found that the ported design results in a larger physical footprint, which may not fit behind the seat of smaller single cab trucks. Those with extremely limited space or who prefer tight, accurate bass over booming volume should skip this vented enclosure.
- Premium grade birch plywood construction
- Shared chamber design for efficiency
- Finished in black carpet
Pros: Very loud output with low frequency extension; Premium birch plywood material; Efficient air flow design
Cons: Larger footprint requires more space
4. American Bass XFL 12 Single Cab Box: High Power

We evaluated the American Bass XFL box and noted its double front baffle, a feature we compared against standard single baffles for added strength under high pressure. This enclosure is engineered specifically for American Bass subwoofers, ensuring a perfect match for the driver’s requirements. The silver terminal connectors provide a clean and secure wiring point.
However, our research indicates the box has a depth of 13.5 inches, which poses significant fitment challenges in many single cab trucks. We recommend skipping this model if your truck has limited seat travel or a shallow storage area behind the seats.
- Designed specifically for XFL subwoofers
- Double front baffle for support
- Silver terminal connectors included
Pros: Reinforced baffle handles high power; Unique aesthetic with silver connectors; Custom fit for specific woofer models
Cons: Very deep, may not fit all single cabs
5. Scosche EFX S12B Sealed Subwoofer Enclosure: Budget Choice
Based on our comparison of budget-friendly options, the Scosche EFX S12B offers a respectable entry point into car audio upgrades. We researched its 5/8 inch MDF construction and found it adequate for moderate power levels. The spring loaded terminals simplify the installation process for beginners.
While the value is evident, we observed that the material thickness is less than what is found in top-tier models, leading to potential resonance at higher volumes. Audiophiles seeking a rigid, rattle-free listening experience should consider investing in a more robust enclosure.
- Black carpet finish for sleek look
- Spring loaded terminals for quick connection
- Single 12 inch sealed design
Pros: Affordable price point; Decent sound for the cost; Easy to wire with spring terminals
Cons: MDF is thinner than premium competitors
6. Sound Storm LOPRO10 Low Profile: Compact

We researched the Sound Storm LOPRO10 for its unique ability to fit in spaces where traditional wooden boxes cannot. Its molded plastic construction allows for a shallow mounting depth of only 5.25 inches. The inclusion of a built-in amplifier simplifies the system setup significantly.
In our evaluation, the plastic enclosure resulted in less acoustic dampening compared to wooden boxes, causing some coloration of the sound. Users who demand the highest fidelity or plan to run high power subwoofers should skip this enclosure in favor of a wooden MDF or plywood box.
- Low profile design fits tight spaces
- Molded plastic and polypropylene construction
- Includes built in amplifier
Pros: Fits where other boxes will not; Very light weight; All in one solution with amp
Cons: Plastic construction lacks rigidity
7. Pyle PL12BL Bandpass Subwoofer System: Basic
Our analysis of the Pyle PL12BL focused on its bandpass design and visual features like neon lighting. We compared its output levels to sealed boxes and found it produces a boomier sound profile. The plexiglass window allows users to see the internal components, which adds a stylistic element.
However, based on owner feedback, we found significant concerns regarding the durability of the glue joints and the seal of the plexiglass. Buyers looking for a long-lasting, reliable enclosure for daily driving should skip this model due to its tendency to develop air leaks.
- Neon accent lighting for visual appeal
- Plexiglass window showing the subwoofer
- Dual vented ports for airflow
Pros: Visual appeal with lighting; Loud output for the size; Low entry cost
Cons: Poor construction quality, prone to leaks
Frequently Asked Questions
Will a single 12 inch sub box fit behind my seat?
We researched dimensions and found that while many single cab trucks can accommodate a single 12 inch box, fitment varies by make and model. You must measure the depth and height of the space behind your seat before purchasing.
What is the difference between sealed and vented boxes?
In our evaluation, sealed boxes offer tighter, more accurate bass and require less space. Vented boxes are louder and more efficient at lower frequencies but require a larger enclosure volume to function correctly.
Do these sub boxes come with the subwoofer included?
Based on the products we compared, these enclosures are sold empty. You must purchase the subwoofer driver separately to complete the audio system installation.
What material is best for a sub box?
We compared MDF and plywood and found both are excellent choices. MDF is dense and affordable, while plywood is lighter and often more rigid. Avoid plastic or thin particle board for the best sound quality.
How do I install a single cab sub box?
Owner feedback suggests the process involves placing the box behind the seat, routing the power and signal wires from the radio, and securing the box with straps or brackets if it moves while driving.
Our Verdict
Our research identifies the Q Power QBomb Single 12 as the top pick for its durable construction and excellent fitment. The Atrend Bbox 12S is a strong runner up for those seeking a high quality sealed enclosure.