Atrend Soundqubed 12 ” Single Vented SPL Subwoofer Enclosure - SPL-Tune Subwoofer Box Improves Audio Quality, Sound & Bass
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FREE refund/replacement until Jan 31, 2026
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At a glance
- Condition
- New
- Size
- 12"
- Style
- SPL Single Vented
- Model
- SQ -12LSVDD
- Dimensions
- 14.75"D x 14.75"W x 30"H
- Weight
- 44 lb
- Material
- Wood
- In the box
- Speaker Box
- Works with
- Smartphone, Tablet, MP3 Player, Laptop
Features 5
- SINGLE 12 INCH VENTED SPL SUBWOOFER ENCLOSURE: The Bbox 12 inch single vented subwoofer box enclosure is designed for optimum bass response and low-frequency reproduction which is ideal for lower profile sound quality subwoofers. Get the most out of your vehicle's subwoofer with a truck sub enclosure designed for power and quality.
- SPECIAL FORMULA: We use Aliphatic wood glue on our 12" subwoofer enclosures to ensure an airtight seal between all MDF parts. Each 12 inch subwoofer box also gets a second application of glue around all internal joints after the final assembly. We use a CNC Miter to ensure an airtight fit for your powered subwoofer. Our Dado design and construction offers a precision fit for our car subwoofer boxes & enclosures, which ensures a rattle and noise free environment.
- HIGH GRADE MDF: Our subwoofer box enclosures are built with a durable & thick MDF for solid frequency response and accurate music reproduction. Our construction offers a precision fit for our car subwoofer boxes & enclosures, which ensures a rattle and noise free environment. 3/4 High Grade MDF Construction for Ultimate structural rigidity and no-flex construction 1.98 Cubic Feet Net Volume internal air space is ideal for high power subs tuned at 36.46Hz. The Designed For SoundQubed 12" Subwoofer.
- AIRTIGHT RECESSED SIDE PANELS: We use quality materials like our special aliphatic resin wood glue and brad nails from a pneumatic nail gun to create a tight hold on the MDF parts during the glue drying process to ensure that our subwoofer boxes have an airtight no-leak, no-rattle air chamber improving the overall sound quality of your sound system.
- ENCLOSURE DIMENSIONS: Since your subwoofer box or enclosure most likely goes into the boot of your car, checking their dimensions is highly important. Enclosure Dimensions Mounting Depth;12, Sub cut out;11.25, Height; 14.75, Width: 30, Depth: 14.75
Description
Since your subwoofer box or enclosure most likely goes into the boot of your car, checking their dimensions is highly important. Enclosure Dimensions Mounting Depth;12”, Sub cut out;11.25”, Height; 14.75”, Width: 30”, Depth: 14.75”
Specs 29
| Brand | Atrend |
|---|---|
| Connectivity Technology | wired |
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount |
| Material | Wood |
| Model Name | SQ -12LSVDD |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 12 Inches |
| Unit Count | 1.0 Count |
| Surround Sound Channel Configuration | 1.0 |
| Product Dimensions | 14.75"D x 14.75"W x 30"H |
| Item Weight | 44 Pounds |
| Is Waterproof | False |
| Warranty Type | Limited |
| Number of Items | 1 |
| Control Method | Touch |
| Speaker Size | 12 Inches |
| Power Source | Corded Electric |
| Woofer Diameter | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 12 Inches |
| Subwoofer Connectivity Technology | Wired |
| UPC | 636644272635 |
| Chassis Size | Ported |
| Style | SPL Single Vented |
| Global Trade Identification Number | 35 |
| Manufacturer | atrend |
| Shape | rectangular prism |
| Item model number | SQ -12LSVDD |
No specs match.
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Big box I used it in an application where size wasn't an issue
Size: 15"
Style: SPL Dual Vented
Huge make sure you have the room. Price and quality is hand in hand. Perfect for me.
Reviewed in the United States on August 15, 2025 by Shannon van
Great bass
Size: 8"
Style: SPL Dual Vented
Needed for our system, it sounds greatttt 👍
Reviewed in the United States on August 4, 2025 by Cyn
Box specs and first looks.
Size: 8"
Style: SPL Single Vented
The media could not be loaded. Upon some review on Subox pro i measured this box to be tuned to roughly 36-38 hz, port area is about 14 give or take, roughly 1.1cu ft after displacement this is more than enough for a single 8, sounds good on a skar vd8. Can't wait to throw a bigger 8 in this.
Reviewed in the United States on October 28, 2024 by Chris
Company taking advantage of hi pricing.
Size: 15"
Style: SPL Dual Vented
PRO : box is excellent. Crafted and designed very well. Very sturdy I get no noise from mine. Sounds amazing with 2 Dayton MX 15-22 installed. Con: The price. I bought this box Nov 12, 2023, 8 months ago. Price I paid 298. 00 Worth the price. I came back to buy another one only to find the price about 65% higher at 498.00 We all know things have gotten expensive, but that is just ludicrous. It's not worth that to me, 300 was a fair price, 500 not so much.
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Reviewed in the United States on July 11, 2024 by Sonny
Speaker
Size: 12"
Style: SPL Single Vented
Great product
Reviewed in the United States on September 2, 2025 by kalei afong
The numbers work out a bit different in sub box pro
Size: 12"
Style: SPL Single Vented
So the box actually 28.5 with the recessed ends port is 13.25 tall 2 wide by 24 long that works out to 31hz the box is actually 2.2 after accommodation for the Port and a normal sub that displaces 0.16 so just for everyone who is wanting g that little bigger cuft and little lower hz that's the numbers I got made me happy now to hook it up and get the real world listen/update the box saounds nice and low especially with the hdx3 from soundqubed fs of 26 o. The 12 inch . I have 1 complaint the terminal is right at the cut out for the sub which is where the most sound psi is mine had a screw that wasn't set i removed all screws on the terminal wired the sub with ring terminals to the back of the terminal supplied and set the screws to the proper tension they weren't stripped or lose the very first test run after installed all the tiny screws stripped their holes and blew terminal outtheside . I thought I heard a change in the bass so looked and the terminal sitting outside the box so used bigger screws and caulked the hole fit the terminal back in no problem since . The sub cut out needed to fit a hdx is slight small but better then big and i sanded it is way better the jig sawing
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Reviewed in the United States on December 17, 2024 by Therepairman Therepairman
Its as good box but
Size: 8"
Style: SPL Dual Vented
I ordered this box because I had purchased a pair of Skar EVL 8's I did not realize at the time that there really are no boxes built for these woofers This was the closest I could find so I tried it. It does not sound good with the Skar Evl 8s Now I have a giant ass box sitting in my garage I will likely throw it away. Just wanted to post this in case anyone else thinks of trying the same thing. Otherwise its a decent box.
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Reviewed in the United States on October 23, 2022 by David Wyson
Good box great price!!!
Size: 10"
Style: SPL Dual Vented
I got some cheap tarantula t5 10s in it. For being a prefab it is tuned pretty good at 37hz. Only make sure your subs will fit its only 9.25" cut out . They will hold sundown sa series and skar evl series and make them sound pretty good. Anything bigger I do recommend a custom box. I recommend ordering 2 SMD terminals to run your dvc speakers. Well worth the money as long as you pay 159 or less. Anything more upgrade to the down4sound profab box for 189. Enjoy bassheads.
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Reviewed in the United States on March 10, 2022 by Stephen cloward