2014-2019 Chevrolet Corvette Subwoofer Box Fitment

2014-2019 Chevrolet Corvette C7 — 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: 2-Door Coupe (targa), 2-Door Convertible

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.

Trunk Likely

Location	coupe hatch area, behind the seats
Outer bounding box	42"W x 10"H x 35"D — the source writes the depth as "35" D1 (bottom), 35" D2 (top)", i.e. no taper on this car, both ends 35". HEIGHT DROPS TO 6" if the targa top must stow in the cargo area.
Known obstructions	THE STOWED TARGA PANEL IS THE OBSTRUCTION AND IT COSTS 40% OF THE HEIGHT — 10" becomes 6". Build to 6" if you ever drive with the top off and want to carry it. Separately, THE BOSE AMPLIFIER LIVES UNDER THE CARGO AREA FLOOR behind an access cover, and you need to reach it to disable active noise cancellation (see audio_integration), so do not build anything that permanently blocks that cover.
Usable volume estimate	2 ft³

Starting points

Suggested configurations for this vehicle, not prescriptions. Run the numbers in the Box Builder before you buy anything.

Budget

Subwoofers	Aftermarket 8" into the factory Bose enclosure in the rear cargo wall — no box to build, but match the bolt pattern
Box type	factory enclosure
Location	rear cargo-area wall

Enthusiast

Subwoofers	Compact powered subwoofer — the source's own suggestion given the limited space, and it survives the targa-top constraint
Box type	powered enclosure
Location	coupe hatch area

Competition

Subwoofers	Shallow-mount 10" or 12" in a custom box built to 6" of height if you carry the targa panel, 10" if you never do. Keep the Bose amp access cover reachable
Box type	custom sealed
Location	coupe hatch area

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 Likely

Factory speaker size	TWO DRIVERS PER DOOR, and the woofer is the surprise: a 3-1/2" MIDRANGE plus a SHALLOW-MOUNT 10" WOOFER. A 10" driver in a car door is unique. You do NOT replace the woofer like-for-like — the source says you replace the stock woofers with SMALLER speakers using mounting brackets.
Known obstructions	THE 10" WOOFERS HAVE THEIR OWN UNIQUE BOLT PATTERNS, which is why brackets are mandatory rather than optional. No wiring harness adapter exists for the midrange, so splice, tap or use Posi-Products connectors. LOW-IMPEDANCE WARNING, stated outright by the source: these are low-impedance speakers, and replacing them with 4-ohm aftermarket models WILL RESULT IN LOWER VOLUME LEVELS. Tools: panel tool, Torx T30 driver, 7mm and 10mm sockets, ratchet, extension.
Adapter bracket needed	Yes, mandatory — unique factory bolt patterns and a size change from 10" down to a conventional driver
Tweeter	CORNER OF THE DASH, not the door — and critically, WIRED IN PARALLEL with the corresponding door woofer. Aftermarket tweeters fit the location but must be secured with hot glue, silicone or a universal backstrap. No wiring harness adapter, so splice, solder or use Posi-Products connectors. Tools: panel tool, Torx T15 driver, small flat blade screwdriver.
Midrange	In the door alongside the 10" woofer. No wiring harness adapter available.

Rear doors Likely

Factory speaker size	None — two-door car. The coupe has rear side-panel speakers instead (see other_speaker_locations).
Known obstructions	n/a
Adapter bracket needed	n/a

Factory audio integration

Factory amp / premium audio	THE HEAD UNIT CANNOT BE REPLACED, and that is the defining fact about this car. The source puts it bluntly: removing and replacing the stock stereo just is not going to happen. What looks like a receiver is a DISPLAY/CONTROL MODULE wired to a separate TUNER MODULE under the passenger's side footwell. The only route to a new screen is a DIRECT REPLACEMENT package, which drops an 8" replacement screen into the same spot with no cutting or modification. SYSTEMS: the coupe came with a 9-speaker Bose system or a 10-speaker Bose CENTERPOINT system that adds the subwoofer. The convertible had base and Bose systems too, but its rear speaker and subwoofer layout is NOT documented. Dash and door details are identical across both body styles.
Adding subs without a head-unit swap	It is the only option — the head unit cannot be swapped at all. But read the active noise cancellation item below FIRST, because adding an amp or sub to this car requires an extra step no other vehicle does.
Head unit	No replacement needed

Known integration products

YOU MUST DISABLE ACTIVE NOISE CANCELLATION BEFORE ADDING AN AMP OR SUBWOOFER. This is the first ANC interaction documented anywhere and it is not optional: the source states that if you add aftermarket amplifiers or subwoofers you need to access the factory amp to disable the ANC system. The Bose amplifier sits UNDER THE CARGO AREA FLOOR behind an access cover, and it gets exposed early in the side-panel speaker removal process, so plan those jobs together. Crutchfield's disassembly instructions include an amp wiring diagram showing how to disconnect the ANC module. TEST BOTH AUDIO AND PHONE OPERATION before reassembling — ANC shares plumbing with the hands-free system.
THE FACTORY RECEIVER IS NOT REPLACEABLE. The dash unit is a display/control module tied to a tuner module under the passenger footwell. A Direct Replacement package with an 8" screen is the only upgrade path and it fits without cutting.
DOOR WOOFERS ARE LOW-IMPEDANCE. Fitting 4-ohm aftermarket drivers will make them QUIETER — stated plainly by the source. This is the same trap documented on the Civic Premium, Sentra rear deck, Optima Harman Kardon, Fusion Sony, Firebird Monsoon and Scion tC gen 1 factory sub. Choose low-impedance replacements or accept the volume loss.
BOTH THE DOOR WOOFERS AND THE 8" REAR SUBWOOFER HAVE UNIQUE FACTORY BOLT PATTERNS. Brackets are required for the doors; the sub re-uses the factory enclosure, so match the pattern or plan to adapt.
NO WIRING HARNESS ADAPTER for the centre dash speaker, the corner dash tweeters, or the door midranges. Splice, tap, solder or use Posi-Products connectors at all three.
The corner dash tweeters are WIRED IN PARALLEL with the door woofers, so the front stage is not three independent channels — changing one affects the load the other sees.

Mounting locations

Trunk Likely

coupe hatch area (height depends on whether the targa top is stowed — see notes)
powered subwoofer, either body style

COUPE: 42"W x 10"H x 35"D. BUT THE TARGA TOP CHANGES THE HEIGHT: the source says to reduce the height to 6" if you want the sub to sit below the targa panel when it is stowed in the cargo area. That is the second vehicle whose cargo envelope depends on where a removable roof panel lives, after the Pontiac Firebird's T-tops. Crutchfield's own read is that the space is limited enough that a powered subwoofer may be the right answer here. No figures are published for the convertible.

Build it for this vehicle

Design a box for this vehicle — Enclosure volume, port tuning, and a cut sheet.
Check door speaker fitment — Whether a given speaker physically fits your doors.
Plan a door panel — Custom panel layout 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.