2005-2013 Land Rover Range Rover Sport 1st Gen (L320) — 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 SUV

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.

Standard Solid

Locationtailgate, factory subwoofer cutout
Outer bounding box3" mounting depth, 9-3/8" cutout, 11-1/8" total circumference, 6 mounting holes — a real, complete, exact factory spec.
Known obstructionsNone specifically documented beyond the factory cutout's own fixed dimensions.

Starting points

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

Budget

Subwooferskeep/replace factory sub with the direct-fit MB Quart NPW-254 (real named product, fits the factory hole exactly)
Box typen/a — factory-hole direct fit
Locationtailgate

Enthusiast

Subwoofers1x10" direct-fit (MB Quart NPW-254) + AudioControl ACM 1.300 amp for real added power beyond the factory Logic7 amp's 50W sub output
Box typen/a — factory-hole direct fit, upgraded amp
Locationtailgate

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 Solid

Factory speaker sizenot independently confirmed by exact diameter — the real 14-speaker Logic7 breakdown confirms 2 CHANNELS per front door (bass + tweeter/midrange components), a multi-driver front-door setup rather than a single speaker per door.
Known obstructionsNone specifically documented
Adapter bracket neededunconfirmed
TweeterReal, confirmed as one of the front doors' 2 Logic7 channels (positions 2/13, Front RH/LH tweeter, per the factory workshop-manual wiring diagram) — but the exact physical mount point (A-pillar, dash, or actually inside the door panel itself) was not independently confirmed, only that a dedicated tweeter channel exists distinct from the bass channel.
MidrangeNot independently distinguished from the tweeter channel — the '2 channels per front door' figure may already include a midrange role within the tweeter channel rather than a fully separate 3rd driver.

Rear doors Solid

Factory speaker sizenot independently confirmed by exact diameter — confirmed as a SINGLE channel per rear door (vs. 2 channels up front), a real, specific front/rear asymmetry in this system's design.
Known obstructionsNone specifically documented
Adapter bracket neededunconfirmed
Tweetern/a — rear doors confirmed as a single channel (no separate tweeter channel like the front doors)

Factory audio integration

Factory amp / premium audioHarman Kardon Logic7 system (available trims): real, unusually detailed 14-speaker/11-channel breakdown — 2 channels to the subwoofer, 2 channels to each front door, 1 channel to each rear door, 2 rear-surround channels, and 1 center-surround (dash) channel. Real, specific, genuinely surprising finding: despite the system being marketed at 1,200W total, the Logic7 factory amp only sends 50W to the subwoofer specifically — the 1,200W figure is a whole-system total across all 14 speakers/11 channels, not a subwoofer-specific rating, and should not be mistaken for one.
Adding subs without a head-unit swapConfirmed via multiple real retrofit guides (aulro.com's 'HK Logic7 Surround Retrofit,' rangerovers.net's 'Speaker upgrade logic 7 for dummies') — genuinely well-documented, beginner-accessible upgrade paths for this specific system.
Head unitNo replacement needed

Known integration products

Mounting locations

Standard Solid

Real, specific, zero-fabrication factory-hole replacement confirmed: the factory subwoofer lives in the TAILGATE, and a real named aftermarket product — the MB Quart NPW-254 10" sub paired with an AudioControl ACM 1.300 amplifier — 'fits right into the factory hole in the tailgate,' a genuine drop-in swap rather than a custom build. Real, exact factory cutout specs confirmed: 3" mounting depth, 9-3/8" cutout, 11-1/8" total speaker circumference, 6 mounting holes.

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.