Model 3 RWD/SR+ 6-Speaker Unlock & Upgrade (3/2020–2023)

Unlock the sound system your Tesla already has built in ⚡️

3/2020–2023 Tesla Model 3 Rear-Wheel Drive and SR+ vehicles come with 4 additional speakers physically installed from the factory but left disabled in software. MaintainEV’s Premium Audio Upgrade unlocks those hidden speakers and upgrades your rear parcel shelf assembly using a low-mileage recycled Long Range donor setup to give your car the fuller, richer sound experience found in AWD premium audio Model 3s.

What’s Included

✅ Software unlocking of 4 factory-installed dormant speakers
✅ Installation and activation of premium rear parcel shelf speaker assembly
✅ Low-mileage recycled OEM Tesla Long Range parcel shelf with speakers included
✅ Professional installation on site.

Result

🎵 Full 6-speaker premium-style audio experience
🔊 Improved sound stage, clarity, and rear fill
🚗 OEM-style integration with factory appearance

Optional Subwoofer Upgrade

Want to add a compact 10-inch subwoofer with built-in amplifier installed in the rear sub-trunk for deeper bass and fuller sound? We use a variety of high-quality subwoofer suppliers depending on availability and customer goals for as low as $350.

Contact us to discuss further subwoofer options.

Compatible Vehicles

• 2022–2023 Tesla Model 3 Rear-Wheel Drive

• 3/2020–2022 Tesla Model 3 SR+