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Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

1TRUCK12 - CARB Compliant, 5/8" MDF Shallow Sub Enclosure Lined with Polyfil

Belva
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Limited time!
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• 5/8" MDF (Medium Density Fiberboard)
• Perfect for Tight Spaces (trucks/hatchbacks)
• Fits Most 12" Subwoofers
• 0.75 CuFt
• fully carpeted
• Fully Caulked and Sealed Tight

Learn more about the 1truck12
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Universal – fits most vehicles.

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2026-06-28 23:59:00
List price $95.99
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$54.99

 with warranty
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Description


Belva brand icon

Authorized dealer

Belva Subwoofer Boxes with Polyfill and 5/8-inch MDF

Built for Bass

You've got an awesome subwoofer there, pal. But where's it gonna go? You can't just throw that thing in the trunk and call it a day. Don't worry, Belva's got your back. With superior construction, great features and everything you need for bass, you'll be ready to pass up that entry-level box you've been eyeballing.

Belva Subwoofer Boxes are CARB Phase 2 Compliant

You get quality boxes with solid 5/8" MDF because nothing else will do the job right. You want to flex your windshield, not your box's innards. You get polyfill built into the box, making sure your subs perform perfectly. On top of that, you get a box that's CARB Phase 2 Compliant, meaning your box won't emit as much nasty formaldehyde as the competition. Better for your bass and better for you.


This angled 12" box is PERFECT for single cab trucks and hatchback vehicles looking to save some space. The box is fully carpeted and made with 5/8" MDF wood (Medium Density Fiberboard), not particle board.

  • High Quality 5/8" MDF Construction
  • Gold Binding Post Terminals
  • 0.75 CuFt
  • Color: Black
  • Dimensions: 18-1/4" W x 14-1/4" H x 8-1/2" BD x 5-1/2" TD
  • 30 Day return policy

Product history:

Belva 1TRUCK12 thumbnail
(newest, current model)
Belva 12ANTCM thumbnail
(previous model, replaced by Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure)

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Specifications & Details


Box/Enclosure specifications
Subwoofer Size
12"
Subwoofer Cutout Shape
Round / Circle
Box Type
Sealed
Number of Subwoofers
1
Box Style/Shape
Truck Style, Slim with Angled Front
Cutout Diameter or Length
11-1/8"
Maximum Speaker Depth
5-1/2"
Total Box Volume
0.75 cubic feet
Box Volume (Each Chamber)
0.75 cubic feet
Wood Thickness
5/8"
Number of Terminals
1
Terminal Type
Binding posts
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

1TRUCK12

Weight:

16.00lbs

Internal SKU:

1truck12

Internal Product ID:

75645

Customer Ratings & Reviews


Single 12

5 star
83%
4 star
17%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
4.9
Features
4.7
Design
4.7
Usability
5

Customer Reviews

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Mounting Depth is NEEDED

One thing that NEEDS to be in the description is the MOUNTING DEPTH of the box. This is CRUCIAL for determining which speakers will actually fit in the box. Once I received the box, I estimated the mounting depth to be somewhere like 5.5" for the sub. So this does limit certain models of subwoofers, but the one I chose fit perfect. I also enjoyed that this box came with poly-fill. Sounds great with my Alpine SWE-12.

By RocketyMan on February 22, 2014

124 found this helpful


Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure

it is as discribed , well built and speaker fit well. it was a good price and had no defects.

By Clint on September 2, 2014

116 found this helpful


belva 12" subwoofer enclosure

excellent subwoofer enclosure for my 12" sub. The quality of the materials and the solid feel of the box exceeded my expectations

By jaz on December 19, 2014

109 found this helpful


Awesome Enclosure

Didn't expect a insulated enclosure...Everything fit prefect and the quality was far more than i thought i was gonna get. Gotta get another one when i add a new deck to my van.....Great speed in shipping too.

By DaMan on August 26, 2014

112 found this helpful


Excellent Product!

This box is very well built, great size, and is completely air tight. I've never had a box that was cotton lined and let me tell you it makes a difference. Great product I would highly recomend!

By Colbey on February 9, 2014

111 found this helpful


A Super super happy man!!!

I bought this Single 12" Subwoofer Angled Truck or Hatchback Box Enclosure a few days ago. So I cant explain how much happy I'm listening my music with this box, I'm an immigrant from Colombia who like to listen music such as Salsa, Reggueton, Merengue a real Latin guy. The sound is something so crazy (Perfect Sound - Space) in my car, Now I'm able to move all the toys of my son in my 2010 Toyota Matrix. If you want to have a good space & sound this is the box for you. Don't be scary for the size of this box. ;) I'm a happy Colombian.

By Harol Gomez on September 22, 2014

111 found this helpful


Nice Box

I purchased this box to put a Hifonics HFX12D4 in. The box is well made and falls within specs for the sub. The carpeting, cutout, poly fill and terminals are high quality. I added about 5 oz of polyfill to make the sub think the box is bigger. The box also has a small footprint and fits easily in the trunk of my Yukon. This combo is matches up well and is highly recommended. Plus, the pairing offers a great value if you want strong bass on a budget. Sonic did a great job with the shipping :)

By Ryan on February 10, 2014

110 found this helpful


speakers box review

Great box. Good waight,shape and easy to install a speaker to. Looks great in black. Recommended for any impact car or truck. Sturdy box no vibration.

By thumper on November 17, 2014

103 found this helpful


Good Product for the Price

Good construction but it really flexes from my Rockford P3 shallows so I had to reinforce it with resin and fiberglass

By john on March 11, 2015

94 found this helpful


Works great.

I bought this speaker box for a mustang but I ended up with it in my extended cab f150. I raised the rear seat up 2 inches and put in a alpine sub. This box hits hard and it is sturdy. It also looks nice in my truck.

By Nard on April 20, 2015

82 found this helpful




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