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Q Power

Q Power HD112VL Single 12 Inch SPL XL Heavy Duty Side Ported Subwoofer Box Enclosure with Durable Carpet Covering for Car Audio Systems

  • Based on 177 reviews
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$129.00 Why this price?
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Fulfilled by LifeAfterBass
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Style: Vented Extra Large


Features

  • Instant Bass Upgrade: This QPower Single Ported 12-Inch Subwoofer Box is engineered to deliver a deep and aggressive bass response, making it ideal for car speaker box systems focused on volume, impact, and clarity.
  • Convenient Installation: Designed for quick installation, this single 12-inch speaker enclosure includes a gold-tipped spring-loaded terminal that forms solid connections with car audio amplifiers while maintaining sound quality.
  • Sound Box Dimensions: This audio box measures 30 in (L) x 14.75 in (W) x 14.75 in (H) and offers 3.7 cubic feet of airspace for maintaining deep and resounding bass output across various car amp configurations.
  • Durable MDF Construction: Made from thick MDF (1" at the face, 3/4" for the rest), this subwoofer enclosure minimizes flex and vibration, allowing your sound system to last longer.
  • Side-Ported Design for Optimized Performance: The optimized side port enhances airflow and efficiency, helping this subwoofer box produce stronger bass output.

Description

Incredible tools at an incredible price

Brand: Q Power


Connectivity Technology: wired


Audio Output Mode: Mono


Mounting Type: vehicle mount


Material: MDF wood


Audio Output Mode: Mono


Mounting Type: vehicle mount


Enclosure Material: MDF wood


Speaker Type: Subwoofer


Subwoofer Diameter: 12 Inches


Color: grey


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Touch


Speaker Size: 12 Inches


Woofer Diameter: 12 Inches


MP3 player: No


Specific Uses For Product: For Car Audio Systems


Connectivity Technology: wired


Wireless Technology: No Wireless Communication Technology


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Auxiliary, RCA


Audio Driver Type: Dynamic Driver


Audio Driver Size: 12 Inches


Brand: Q Power


Model Number: QHD112VL


Model Name: HD112VL


Built-In Media: Funnel


Number of Items: 1


Customer Package Type: FFP


UPC: 813177021613


Manufacturer: QPower


Number of Audio Channels: 1.0


Compatible Devices: Smartphone, Tablet, MP3 Player


Compatible with Vehicle Type: Car


Power Source: Corded Electric


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.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Fantastic box
Style: Vented Extra Large
Very good quality box very well built and I couldn't stress bad enough that it is very well built I've built many many boxes and I bought mini boxes and a lot of the boxes I bought have been cheaply built and very quickly put together this one doesn't look like that it's solid and it's got a great sound and it will hold together for a big speaker I'm playing a DD audio 1200 watt RMS 12-in speaker through it and it's handling it just fine ... show more
Reviewed in the United States on June 29, 2025 by Mike
    • Worth every penny
Style: Vented Extra Large
Using this enclosure with an American Bass Elite 1244, being pushed by an Audiopipe APCLE-18001D @ 2 ohms. Installed in a small 4 door sedan first and did not quite get the sound I was looking for. Then installed in a extended cab pickup truck and oh man the sound was awesome. You can hear the notes clearly and the SPL is so satisfying. If you have a sub that requires more than 2.5 cubic feet I would recommend this enclosure all day long. Update: Had the box for almost 1 year now and its still holding up well. Just upgraded my subwoofer from the AB Elite 1244 to an American Bass HD 12 D2. Was pushing 1100rms now will be pushing 1800rms and see how well it holds up. Update: I have been running the American Bass HD 12 D2 in this box for over a year now. I have not had a single issue from this box yet. I did like most of the other reviewers here and added in a piece of wood to lengthen the port for a bit lower tuning. ... show more
Reviewed in the United States on December 9, 2019 by Mc
    • Good size and box is great
Style: Vented Extra Large
Review Image by john
Wow, 5 the time to explain all the problems. Won't let me finish lol, all in all a good product to WORK with and I like the size. Can't wait to redo and hear it.
Reviewed in the United States on January 3, 2026 by john
    • Built well
Style: Vented Extra Large
Fast shipping and built well. You can't build this box yourself for the price!
Reviewed in the United States on March 17, 2026 by AronJ
    • Good box well built fit and finish is on point as well
Style: Vented Extra Large
Box sounds good I have a single voice coil Sony 12 hooked up to it for my room setup and it sounds amazing
Reviewed in the United States on March 28, 2026 by David Alfredo Sanchez
    • Couple issues
Style: Vented Extra Large
At first glance it seems to be a nicely finished and well put together enclosure, and it's not far from that. But there are a couple of issues to note. 1) the face panel is much thicker than other sides so the pictures give a skewed perceived thickness. 2) the thin other panels are dense and a little tricky to get a wood screw through, many simply stripped and free spun. 3) included wire cup, it's a problem many prefabs have, it's just cheap. Leaving the hole out entirely would be an improvement. ... show more
Reviewed in the United States on October 2, 2024 by ian white
    • Perfect box.
Style: Vented Extra Large
Perfect
Reviewed in the United States on March 16, 2026 by Robert
    • Bigger box
Style: Vented Extra Large
The media could not be loaded. I have this box coming tomorrow and already have this box from Q-power that hits hard. I have the Hiyanka 12 inch competition sub right now and it hits really hard but im looking for a better quality sound. Gonna drop a 12 in CT SOUNDS Tropo XL or the Meso after Christmas since I had 2 grand daughters a month apart not long ago and already had a grandson that turns 5 in February. Gotta spoil them grands. I have a 2010 camaro so im not going too extreme but it beats hard enough already to cause rattles and hurts your chest if you sit in it for too long with a bass cd. I thought this box was a sealed box because I typed that into search but this will give me a idea of how I might make a custom box with 1 inch thick plywood doubled up. I bet that will sound soo freaking good and be heavy as a small car 🤣🤣🤣 ... show more
Reviewed in the United States on November 13, 2025 by Brian Craps

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