Best Sub Boxes For Single Cab Trucks: Compare 10 Picks

#1 · Best Overall

1. Rockville REC122

• Dimensions D x W x H: 8"D x 40"W x 14.5"H
• Speaker Size: 12 in

Best for: Ported Behind-Seat 12-Inch Box.

Why it ranks #1: Its truck-specific behind-seat design measures 40 x 14.5 inches with 5–8 inches of depth, plus 1.88 cubic feet of ported air space tuned to 40Hz.

A 40Hz tuning frequency gives the Rockville REC122 a specific low-frequency target, while its ported design and 1.88 cubic feet of air space support output from a single 12-inch subwoofer. Its behind-seat truck profile is sized at 40 inches wide and 14.5 inches high.

The ported enclosure's 40Hz tuning and 1.88-cubic-foot interior are specified to maximize low-frequency output, giving buyers clear design details for a single 12-inch system. Its 40-by-14.5-inch face and 5-to-8-inch depth profile are intended for behind-seat placement in most truck cabins, helping with space planning. Construction uses 3/4-inch MDF and a rugged bed-liner finish, features listed for durability in truck environments.

Skip it if you need a very shallow single-10-inch enclosure; the Q Power TW10S is 7.5 inches deep and only 20.3 inches wide.

This suits truck owners seeking a ported single-12-inch box with a stated 40Hz tuning and behind-seat placement. Its 40-inch width and variable 5-to-8-inch depth are key cabin-fit considerations.

Listed on Amazon as: Rockville REC122 Single 12" Ported Behind Seat Truck Subwoofer Enclosure

#2 · Best Vented Option

2. Q Power QBTRUCK112V

• Speaker Size: 12 in

Best for: Vented 12-Inch Behind-Seat Bass.

Why it ranks #2: This behind-seat truck-style vented enclosure offers 1.88 cubic feet of air space and a single 12-inch cutout for a bass-focused setup.

Its 1.88-cubic-foot vented enclosure pairs a single 12-inch opening with a behind-seat truck-style layout, giving single-cab owners a route to deep bass without dedicating the box to a cargo area. The universal-fit positioning makes it relevant across car and truck audio setups.

The vented design and 1.88 cubic feet of air space are specified for deep, powerful bass, while the single 12-inch cutout keeps the setup focused on one subwoofer. Its behind-seat format targets truck cabs where enclosure placement matters, and the stated universal fit broadens its use across cars and trucks. Premium MDF provides the enclosure structure, while the black bed-liner finish supplies a practical exterior surface for a truck-oriented installation.

Skip it if you need published external measurements before planning the space; the provided dimensions for the Rockville REC122 give a more specific fit reference.

This suits truck owners seeking a single 12-inch vented enclosure behind the seat, especially when deep bass and a bed-liner exterior are priorities. Its universal-fit description is broad, but exact external dimensions are not supplied here.

Listed on Amazon as: QPower QBTRUCK112-VENTED Single 12-Inch Vented Subwoofer Box

#3 · Best Angled 12-Inch

3. BELVA 1TRUCK12

• Dimensions D x W x H: 8.5"D x 18.25"W x 14.25"H
• Material: Wood
• Compatible with Vehicle Type: Truck, Hatchback
• Speaker Size: 12 in

Best for: Angled 12-Inch Tight-Space Box.

Why it ranks #3: Its angled design targets single-cab trucks and measures 8.5 inches deep, with a 12-inch opening and 0.75 cubic feet of air space.

The BELVA 1TRUCK12 uses an angled profile for single-cab and extended-cab trucks as well as hatchbacks, making its 12-inch enclosure relevant where a conventional box may intrude on cabin space. Its 0.75-cubic-foot air space and pre-installed polyfill add practical sound-system details.

With dimensions of 8.5 by 18.25 by 14.25 inches, this angled enclosure gives buyers concrete measurements for evaluating a tight truck or hatchback location. Its 12-inch speaker size accommodates a larger driver than a 10-inch box, while 5/8-inch MDF is specified to minimize vibration and distortion. The enclosure arrives pre-lined with polyfill, which the listing says improves airflow and resonance, so buyers do not need to add that lining themselves.

Skip it if you need a vented 12-inch enclosure with 1.88 cubic feet of air space; the Q Power QBTRUCK112V lists that larger volume.

This suits truck or hatchback owners seeking an angled enclosure for a 12-inch subwoofer in a constrained location. Its specified 0.75-cubic-foot volume is an important boundary for buyers choosing a driver.

Listed on Amazon as: Belva 1TRUCK12 Single 12" Angled Truck or Hatchback Subwoofer Box Enclosure – CARB Compliant 5/8" MDF Shallow Sub Box with Polyfil, 0.75 CuFt Air Space, Black Carpeted Finish

#4 · Most Compact

4. Q Power TW10S

• Dimensions D x W x H: 7.5"D x 20.3"W x 15.9"H
• Material: Wood, Fabric
• Compatible with Vehicle Type: Car, Truck
• Speaker Size: 10 in

Best for: Slim Sealed 10-Inch Setup.

Why it ranks #4: The sealed 10-inch enclosure is 7.5 inches deep and provides 0.88 cubic feet of air space for behind-seat installation in single- or extended-cab trucks.

At 7.5 inches deep, the Q Power TW10S targets the tight space behind a single- or extended-cab truck seat while preserving cabin and cargo room. Its sealed, single-10-inch format is intended for buyers who prefer a compact enclosure and tight, accurate bass.

The 0.88-cubic-foot sealed interior and one 10-inch cutout make this a focused option for a single-driver system, with the supplied description emphasizing tight, accurate bass. At 7.5 inches deep and 20.3 inches wide, it is sized for behind-seat placement in single- and extended-cab trucks. Its 5/8-inch MDF walls are described as limiting resonance and panel flex, while charcoal carpet gives the wood enclosure a finished cabin-facing surface.

Skip it if you need two 12-inch openings for a regular cab; the American Sound Connection TRUCK572X12 is specified for dual 12-inch subs.

Choose this for a truck owner prioritizing a shallow, sealed single-10-inch enclosure behind the seat. Its 7.5-inch depth helps with space planning, but the single cutout does not suit a multi-subwoofer setup.

Listed on Amazon as: Q Power 10 Inch Single Slim Truck Shallow Sealed Subwoofer Box Sub Enclosure

#5

5. ASC 110TRUCK

• Dimensions D x W x H: 7.5"D x 20"W x 15"H
• Material: Mdf And Carpet
• Compatible with Vehicle Type: Truck
• Speaker Size: 10 in

Best for: Carpeted Regular-Cab Single 10.

Why it ranks #5: This sealed 10-inch enclosure is described for regular-cab trucks and measures 20 x 15 x 7.5 inches, with MDF and carpet construction.

The ASC 110TRUCK is specified as a single 10-inch sealed enclosure for regular-cab trucks, pairing a compact 7.5-inch depth with a 20-inch width. That footprint helps buyers plan a behind-seat bass installation, while its carpeted MDF construction gives the enclosure a finished cabin appearance.

A single 10-inch opening and sealed design make this enclosure a straightforward match for a one-subwoofer system, while the listed 7.5-by-20-by-15-inch dimensions help with planning its placement. American Sound Connection describes it for regular-cab trucks, addressing the space constraints common to that application. Precision-cut MDF is liquid-nailed, nailed, and completely sealed, then wrapped in carpet; those construction details support a sturdy, finished enclosure for daily car-audio use.

Skip it if you want an included subwoofer rather than an enclosure alone; the KICKER 43C104-N bundle includes a 10-inch Comp C sub.

This fits regular-cab truck owners who want a carpeted, sealed enclosure for one 10-inch subwoofer. Use its listed dimensions to assess placement, and look elsewhere if your system calls for multiple drivers.

Listed on Amazon as: 10" Inch Truck Sub Box Single Subwoofer Enclosure Regular Cab 5/8" MDF ASC

#6 · Loaded Subwoofer

6. KICKER Comp C10 Bundle

• Dimensions D x W x H: 7.5"D x 20"W x 15"H
• Material: Wood, Fabric
• Compatible with Vehicle Type: Truck
• Speaker Size: 10 in

Best for: Loaded KICKER 10-Inch Bundle.

Why it ranks #6: Unlike the unloaded boxes, this package includes a 10-inch, 4-ohm subwoofer rated at 150 watts RMS in a 0.8-cubic-foot sealed enclosure.

Unlike an empty enclosure, this bundle includes a KICKER Comp C 10-inch, 4-ohm subwoofer rated at 150 watts RMS, giving regular-cab truck buyers the driver and sealed box together. Its 0.8-cubic-foot air space and 5-3/4-inch mounting depth provide useful setup figures.

The included 10-inch Comp C subwoofer is specified as a 4-ohm, single-voice-coil driver with 150 watts RMS and 300 watts peak power, so buyers have defined power figures for system planning. Its sealed enclosure has 0.8 cubic feet of air space and a 5-3/4-inch mounting depth, helping check driver clearance. The bundle is described for standard regular-cab trucks, and its 7.5-by-20-by-15-inch dimensions support cabin placement planning.

Skip it if you need a 12-inch driver or a dual-subwoofer enclosure; the BELVA 1TRUCK12 takes a 12-inch subwoofer.

This bundle suits a regular-cab truck owner who wants a single 10-inch subwoofer and enclosure together, with power and mounting figures specified. Its single-driver, 4-ohm configuration defines the system it serves.

Listed on Amazon as: KICKER 43C104-N Comp C10 Loaded Single 10 Inch Truck Sub Box Bundle 4 Ohm

#7

7. BELVA BXA6404

• Dimensions D x W x H: 4.63"D x 16.13"W x 13.5"H
• Material: MDF
• Compatible with Vehicle Type: Car
• Speaker Size: 10 in

Best for: Angled Compact 10-Inch Enclosure.

Why it ranks #7: The angled 10-inch enclosure is described for single-cab trucks and has a listed depth of 4 5/8 inches at the top and 8 1/8 inches at the bottom.

The BELVA BXA6404 narrows to 4-5/8 inches at the top while measuring 8-1/8 inches at the bottom, giving single-cab truck and hatchback buyers an angled 10-inch enclosure to consider for restricted spaces. Its gold binding-post terminals provide a defined connection point.

The angled depth profile—4-5/8 inches at the top and 8-1/8 inches at the bottom—helps buyers evaluate how the box may sit against a seat or cabin surface. Its 16-1/8-inch width and 13-1/2-inch height add planning dimensions, while the 10-inch opening serves a single driver. High-quality MDF construction is cited for density and consistency, and gold binding posts tighten against the wire for a cleaner connection; black carpet helps protect exterior surfaces from scratches.

Skip it if you want a 12-inch driver in an angled truck box; the BELVA 1TRUCK12 accommodates a 12-inch subwoofer.

This is a fit for owners considering a compact angled enclosure for one 10-inch driver in a truck or hatchback. Review the stepped depth and listed width and height against the intended installation area.

Listed on Amazon as: Single 10" Subwoofer Angled Truck or Hatchback Box Enclosure

#8

8. ASC TRUCK572X12

• Material: Carpet
• Compatible with Vehicle Type: Truck

Best for: Silverado and Sierra Dual-12 Fit.

Why it ranks #8: Its dual-12-inch enclosure is stated to fit regular-cab trucks, but its 58 x 16 x 9-inch dimensions make cab and seat clearance especially important.

The vehicle-specific title names 1988–2006 regular-cab Chevy Silverado and GMC Sierra trucks, while the dual 12-inch layout gives buyers a two-subwoofer enclosure for that application. Its carpet-wrapped MDF construction also brings a finished surface suited to a cabin installation.

This 58-by-16-by-9-inch enclosure is identified for the Silverado and Sierra regular cabs named in its title, helping buyers narrow their search to a particular truck fitment. Two 12-inch subwoofer positions support a dual-driver setup, while precision-cut MDF is nailed, liquid-nailed, and sealed for a robust enclosure. The black carpet covering provides a finished exterior that matches many vehicle interiors, though the listed 58-inch width makes checking cabin space important.

Skip it if you want one 10-inch driver in a compact behind-seat box; the Q Power TW10S is only 20.3 inches wide.

This is for owners of the specified 1988–2006 Silverado or Sierra regular cab who want a dual-12-inch setup. Its 58-inch width is the key cabin-space consideration before choosing this carpeted enclosure.

Listed on Amazon as: Fits Chevy Silverado GMC Sierra 1988-2006 Regular Cab Dual 12" Sub Box ASC

#9

9. ASC TRUCK492X12

• Dimensions D x W x H: 15"D x 50"W x 9"H
• Material: Wood, Fabric
• Compatible with Vehicle Type: Truck
• Speaker Size: 12 in

Best for: Dual-12 Regular-Cab Bass.

Why it ranks #9: This dual-12-inch box is intended for regular-cab trucks and uses MDF and fabric, though its 50 x 15 x 9-inch dimensions may limit fit.

The ASC TRUCK492X12 combines two 12-inch subwoofer openings with a regular-cab truck fit, giving buyers a dual-driver route to bass in a space-constrained cab. Its listed 50-by-15-by-9-inch dimensions make the enclosure's substantial width an important part of installation planning.

The dual 12-inch layout supports a two-subwoofer system, while the stated regular-cab truck fit targets buyers who need an enclosure for that cabin type. At 50 inches wide, 15 inches deep, and 9 inches high, its dimensions help establish whether the box can occupy the intended space. Precision-cut MDF is liquid-nailed, nailed, and completely sealed, then covered with carpet, connecting its construction to a finished, sturdy enclosure for truck audio.

Skip it if you have limited space and want a shallow single-10-inch box; the Q Power TW10S is 7.5 inches deep and 20.3 inches wide.

This is for regular-cab truck owners seeking a dual-12-inch enclosure and able to plan around its 50-inch width. Its sealed MDF construction and carpet finish suit a conventional truck-audio installation.

Listed on Amazon as: Dual 12 Inch Subwoofer Box Regular Cab Truck Sub Enclosure 5/8" MDF – ASC

#10

10. VALICLUD 8-Inch Box

Best for: Compact DIY 8-Inch Enclosure.

Why it ranks #10: It is a compact sealed box measuring about 13.18 x 9.25 x 4.96 inches, but its single-cab truck use is less clearly established than the other choices.

At about 13.18 by 9.25 by 4.96 inches, this VALICLUD enclosure offers a compact sealed-box option for an 8-inch DIY audio upgrade in a single-cab truck or compact vehicle. Its small listed dimensions give buyers concrete measurements for evaluating a confined installation area.

The sealed design and 8-inch positioning make this a compact enclosure choice for a DIY bass setup, while its approximately 13.18-by-9.25-by-4.96-inch dimensions help with tight-space planning. A carpeted exterior provides a finished surface, and the listed materials—plush fabric, wood, ABS, and zinc alloy—describe its construction. The package includes the enclosure only: the speaker, amplifier, and wiring are not included, so buyers must plan those parts separately.

Skip it if you want a 10-inch subwoofer included with the enclosure; the KICKER 43C104-N bundle supplies its Comp C driver.

This suits DIY buyers seeking a compact sealed enclosure for an 8-inch setup in a truck or compact vehicle. It is a box-only package, so the speaker, amplifier, and wiring require separate planning.

Listed on Amazon as: VALICLUD 8 Inch Sealed Subwoofer Enclosure Box, Carpeted Car Audio Speaker Cabinet for DIY Bass Upgrade, Single Cab Truck and Compact Vehicle Use