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, 2-row
These are researched envelopes, not a guarantee. Measure your own vehicle — the numbers here tell you what to expect, not what you have.
| Location | trunk/cargo area, near the rear seatback |
|---|---|
| Outer bounding box | No independently measured raw cavity envelope found — the real Velcro-mounted, detachable install approach is the best available reference for how builders work within this space without permanent modification. |
| Known obstructions | None specifically documented for gas trims. Electrified (EV) trims: battery pack lives mostly under the cabin floor per Genesis's own engineering description, confirmed to keep the cargo box 'conventional and usable' — i.e., NOT a real obstruction, unlike some EV conversions on other vehicles covered here. |
Suggested configurations for this vehicle, not prescriptions. Run the numbers in the Box Builder before you buy anything.
| Subwoofers | 1x8" or 1x10" powered, tapping factory Lexicon subwoofer wiring |
|---|---|
| Box type | n/a — powered unit, factory-tap wiring |
| Location | trunk area near the rear seatback |
| Subwoofers | 1x10" or 1x12" custom (real example: Rockford Fosgate, Velcro-mounted for full detachability) |
|---|---|
| Box type | custom, detachable |
| Location | trunk/cargo area |
Sizes and depths below are what research turned up for this generation. Confirm against your own vehicle before cutting or ordering — trim levels vary.
| Factory speaker size | 160mm (~6.3") woofer, confirmed as part of a genuine 3-way component set per door (tweeter + midrange + woofer) on the Lexicon system. |
|---|---|
| Known obstructions | None specifically documented |
| Adapter bracket needed | unconfirmed |
| Tweeter | Door-mounted — confirmed 19mm (~0.75") tweeter, part of a genuine 3-way component set alongside an 80mm midrange and 160mm woofer, per door. |
| Midrange | 80mm (~3.15") midrange, per door, same 3-way set as the tweeter/woofer. |
| Factory speaker size | not independently confirmed by exact size |
|---|---|
| Adapter bracket needed | unconfirmed |
| Tweeter | Not independently confirmed as identical to the front doors' 3-way set — the sourced breakdown specifically described the FRONT door layout; rear-door tweeter presence not confirmed. |
| Factory amp / premium audio | Base system: 9 speakers (confirmed). Optional Lexicon premium system: real sources give slightly conflicting speaker counts (15 vs. 16 depending on model/source, not resolved to one number) at 1,050W — the same wattage figure as the GV80 and G80 Lexicon systems, again suggesting a shared brand-wide amplifier platform rather than per-model tuning. QuantumLogic surround processing confirmed as standard on Lexicon-equipped trims across the Genesis lineup. Genesis's 2022 GV70 pricing release prints "Lexicon Premium Audio with 16-Speakers" on the 2.5T AWD Select and the 3.5T AWD Sport Advanced, so the 15-vs-16 question is 16 for 2022. Watts are not in that release; 2023-2025 not read. |
|---|---|
| Adding subs without a head-unit swap | Confirmed via multiple owner builds (Rockford Fosgate install, general aftermarket-subwoofer-addition threads on both genesisowners.com and gvforums.com) tapping factory wiring — a documented, repeatable pattern for this specific vehicle, stronger sourcing than many vehicles. |
| Head unit | No replacement needed |
Multiple specific owner-documented builds: a Rockford Fosgate subwoofer install (2024, gvforums.com) where the box design fit easily in the trunk area and was Velcro-mounted to the rear seat, fully detachable when maximum cargo space is needed — real total cost reported around $1,000 ($300 sub + $700 install/upgraded cabling). A separate build (2022 GV70 3.5T Prestige) confirms the same general approach. The genesisowners.com GV80 thread explicitly notes GV80 owners adapt GV70 guides as reference — meaning this page's findings are the base reference for that sister SUV, not just a one-way borrow.
GV70 Electrified (full EV, NOT a hybrid — confirmed, no hybrid GV70 variant exists): 84 kWh battery, up to 263 miles range (base) or 243 miles (Advanced/Prestige), 429hp/516 lb-ft dual-motor AWD, NACS charging port on 2026-model-year units. CRITICAL FITMENT FINDING: because the Electrified GV70 is built on the SAME platform as the gas GV70, its cargo box stays conventional and usable — Genesis's own engineering keeps the battery pack mostly under the cabin floor, not intruding into the cargo area, plus a small 0.8-1.0 ft3 front trunk ('frunk') as a bonus the gas version doesn't have. This is a genuinely SAFER pattern than several other EV/PHEV conversions already flagged as excluded elsewhere in this catalogue (e.g., RAV4 Prime) — the Electrified GV70 does NOT need to be excluded from standard fitment guidance the way a floor-raising PHEV would.
Outside links. Some are commercial products, some are owner builds posted on forums — the label says which. We do not endorse any of them.
Each link opens the tool with this vehicle already selected.
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.