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Deal.ai › QPower › Subwoofer Enclosures
QPower
Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box
QPower

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

5(3 ratings)

Best price now

$150.99at WalmartChecked Nov 9

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Price facts

  • Last seen at $150.99 at Walmart on Nov 9.

Our take on the Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box

The Q Power HD12 4HOLE is an empty sealed enclosure built to hold four 12-inch subwoofers in a single wide cabinet. It is made from 1-inch MDF, thicker than the 3/4-inch board used in most budget boxes, which adds rigidity and resists flex under heavy bass. At roughly 53 inches wide and 14.75 inches tall, it spans most of a trunk or cargo area and suits someone running a four-sub, high-output system who wants one solid prebuilt cabinet instead of four separate boxes. The trade-off is bulk and weight: it is harder to move and install than a single-sub box, and it takes up serious space.

Best forFour-sub SPL or daily bass buildsOwners of large trunks or SUVsBuyers who want a prebuilt cabinet instead of custom woodworkHigh-power setups that need a stiff enclosure
Pros
  • 1-inch MDF construction is stiffer than typical 3/4-inch boxes
  • Sealed design gives tight, controlled bass and simple wiring
  • Fits four 12-inch subwoofers in one wide cabinet
  • Prebuilt, so no cutting or assembly
  • Black finish blends into a trunk
Cons
  • Very large footprint at about 53 inches wide
  • Heavy and awkward for one person to lift
  • Sealed only, so no ported option for deeper low-end output
  • Empty box: subwoofers, wiring and terminals are not included
  • Four-sub setups demand a strong amplifier and electrical upgrades

Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box prices at every store

  • WalmartNew

    In stockSold by SpreetailReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $150.99Free shippingChecked Nov 9
    Visit Walmart

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

This is an empty sealed subwoofer enclosure with four holes, each sized for a 12-inch subwoofer. It is built from 1-inch MDF. It is designed for heavy-duty use.

The box comes empty, so the subwoofers are bought separately. The finish is black.

Type
Sealed subwoofer enclosure, empty
Driver size
12"
Holes
4
Material
1" MDF
Color
Black
Dimensions
14.75" H x 53" W x 17.5" L

Specifications

color
BlackSource
size
14.75" H x 53" W x 17.5" LSource

Questions and answers

Is this box sealed or ported?
It is a sealed enclosure. Sealed boxes give tighter, more controlled bass and are more forgiving of subwoofer choice than ported designs.
What subwoofers fit it?
It holds four 12-inch subwoofers. Check each sub's mounting depth and cutout size against the baffle before buying, since the box is built for standard 12-inch drivers.
How big is it?
About 53 inches wide, 14.75 inches tall and 17.5 inches deep. Measure your trunk or cargo area first, because it takes up most of the width.
Does it come with subwoofers or wiring?
No. It is an empty enclosure. You supply the four subwoofers, speaker wire, terminals and amplifier.
Why does the 1-inch MDF matter?
Thicker MDF flexes less under heavy bass than 3/4-inch board, which helps keep output clean at high volume. It also makes the box heavier.
What amplifier do I need for four 12s?
Plan on a mono amplifier rated for the combined power of all four subs, plus upgraded wiring and possibly a high-output alternator. Four subs draw a lot of current.
Where is the Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box cheapest?
At Walmart, for $150.99, as of our latest check.
What do buyers say about the Q Power HD12 4HOLE Heavy Duty Quad 12" Sealed Subwoofer Enclosure Box?
Rated 5 out of 5 from 3 ratings.

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