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Q Power Quad 12 Inch 4-Hole Sealed Subwoofer Box, Heavy Duty Enclosure with 1-Inch MDF Front, Gold Terminals, and Charcoal Carpet Finish

  • Based on 19 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by Spreetail

Arrives Sunday, May 3
Order within 13 hours and 30 minutes
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Style: Straight


Features

  • Enclosure Design: Heavy-duty sealed subwoofer box built to house four 12-inch subwoofers in a precision acoustic chamber for powerful, accurate bass output
  • Heavy-Duty Construction: Built from 1-inch MDF on the front baffle and 3/4-inch MDF throughout for maximum strength, reduced flex, and reliable long-term durability
  • Mounting Configuration: Features four precisely cut mounting holes and individual sealed chambers, providing 1.6 cubic feet of air space per sub for consistent low-end performance
  • Space-Efficient: Quad-speaker layout allows for consolidated subwoofer placement in a single housing unit, maximizing space without sacrificing sound quality
  • Durable Carpet Finish: Wrapped in charcoal-colored carpet with gold-tipped spring-loaded terminals for a professional appearance and secure wiring connections

Description

Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box

Brand: Q Power


Speaker Maximum Output Power: 800 Watts


Frequency Response: 20000 Hz


Connectivity Technology: USB


Audio Output Mode: Mono


Audio Output Mode: Mono


Mounting Type: bracket mount


Enclosure Material: Wood, Fabric


Speaker Type: Subwoofer


Antenna Location: construction


Subwoofer Diameter: 12 Inches


Controller Type: Remote Control


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Remote


Speaker Size: 12 Inches


Woofer Diameter: 12 Inches


MP3 player: No


Frequency Response: 20000 Hz


Number of Audio Channels: 1.0


Connectivity Technology: USB


Wireless Technology: No Wireless Communication Technology


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: USB


Audio Driver Type: Dynamic Driver


Audio Driver Size: 12 Inches


Brand: Q Power


Model Number: HD12 4HOLE


Model Name: HD12


Number of Items: 2


Customer Package Type: FFP


UPC: 813177023969


Manufacturer: Q Power


Speaker Maximum Output Power: 800 Watts


Item Dimensions D x W x H: 17"D x 52"W x 14"H


Item Weight: 50 Pounds


Compatible Devices: Laptop, MP3 Player, Smartphone


Compatible with Vehicle Type: Car


Power Source: Corded Electric


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 3

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • It's good quality!!!!
Highly recommend this item!!!!
Reviewed in the United States on October 17, 2025 by Ty

  • 4 12s
Reviewed in the United States on March 27, 2025 by Kevin Burrow

  • Poorly
Poorly designed. The circle wasn’t cut right and speaker connections didn’t work. I had to get it fixed and replaced
Reviewed in the United States on November 24, 2024 by Tish

  • Damaged In shipping
Good quality thick box. However it was dropped on corners during shipping and broken.
Reviewed in the United States on January 10, 2024 by Charles Jonsson

  • Terrible
Front face wasn’t even glued or nail down properly so I had are escaping and cause the front face to make loud rattling noise
Reviewed in the United States on October 1, 2019 by Brandon

  • Used box for 3 days about an hour each day. I put screws on front and on top to seal.
The media could not be loaded.
Reviewed in the United States on June 17, 2024 by Charles G.

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