2003-2007 Honda Accord 7th Gen — subwoofer box fitment

What we researched for this specific generation: where an enclosure actually fits, what the factory speakers are, how the factory audio is wired, and which real builds and commercial products exist for it. Confidence badges say how well each figure is sourced — this is research, not manufacturer spec.

Body styles covered: 4-Door Sedan, 2-Door Coupe

Where a box actually fits

These are researched envelopes, not a guarantee. Measure your own vehicle — the numbers here tell you what to expect, not what you have.

Sedan Trunk Unconfirmed

Locationtrunk
Outer bounding boxNo independently measured trunk dimensions found. Published box footprints are lower bounds on the cavity, not the cavity: Ground Shaker 'BLACK 10" DUAL SEALED SUB BOX, FITS 94-25 HONDA ACCORD': Height 13 1/2", Front length 37 1/4", Rear length 31 1/4", Top depth 13 1/2", Bottom depth 17 3/4" (labelled by Ground Shaker), 3.15 ft^3 total, contoured to the trunk behind the rear seat [same dimensions on its 12" dual and 12" triple listings; maker range 94-25, five generations]. Zenclosures and Super Crew Sound print no outside dimensions.
Known obstructionsNone documented for this generation.

Coupe Trunk Unconfirmed

Locationtrunk
Outer bounding boxNo independently measured trunk dimensions found; the same published box footprints as the sedan trunk (the makers do not split them by body style).
Known obstructionsNone documented for this generation.

Door speaker fitment

Sizes and depths below are what research turned up for this generation. Confirm against your own vehicle before cutting or ordering — trim levels vary.

Front doors Unconfirmed

Factory speaker sizeHonda's 2003-2007 pages give speaker counts and watts, not door sizes
Adapter bracket neededunconfirmed

Factory audio integration

Factory amp / premium audioHonda 2003: DX AM/FM/CD 120 watts with 2 speakers; LX 120 watts with 6; EX AM/FM 6-CD changer with 6 speakers; V6 Coupe 6-speed manual standard Premium Audio System, 180 watts (MOSFET amplifier). 2006-2007: 120-watt/6 speakers (LX, coupe) and 120-watt with 6-disc changer; 180-watt premium with 6 speakers on the EX V6 6MT / V-6 MT and, in the 2007 sedan table, other upper trims. No subwoofer is named in any 2003-2007 system read.
Adding subs without a head-unit swapno integration information read

Known integration products

Mounting locations

Sedan Trunk Unconfirmed

Honda: 14.0 cu ft sedan trunk (2003 and 2007); 11.2 on the Hybrid (2007). A luggage rating, not box dimensions. No measured width, height or depth was found. The boxes below slide in below the rear dash (Zenclosures, Super Crew Sound).

Coupe Trunk Unconfirmed

Honda: 12.8 cu ft coupe trunk (2003). A luggage rating, not box dimensions. No measured width, height or depth was found.

Builds and products found for this vehicle

Outside links. Some are commercial products, some are owner builds posted on forums — the label says which. We do not endorse any of them.

Build it for this vehicle

Each link opens the tool with this vehicle already selected.

Before you cut anything

Measure your own vehicle. Trim levels, factory subwoofer options, and mid-generation changes all move these numbers, and a box cut to a researched figure that does not match your truck is wasted wood. Where a badge reads Unconfirmed, treat the value as a starting point for your own measurement, not as an answer.