With this wire harness, you can activate up to 6 inactive speakers on Model 3 SR (2019-2020), Model 3 SR+ (2019-2021), Model 3 RWD (2022+).

The work is done by connecting the front dash speakers parallel with the tweeter and A-pillar speakers to feed the signal for the speakers, and connecting the rear door speakers in parallel with the rear shelf speakers.

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For Model 3 built after 2020-03 (USA and China):
Rear-shelf speaker may not be installed on your Model 3. You can choose the option to add the 2 rear speakers (it will come with 2 OEM used speakers for you to add it back to the rear-shelf).

For car built after 2021-06 (China):
The rear-shelf speaker placeholder has been cancelled. You cannot add the rear-shelf speaker.

For Model 3 built after 2020-10-05 (USA) / 2020-12-28 (China):
You will need to tap 2 wires to enable the front right tweeter (the plug-and-play connector is removed). Contact our Tech Support for more details before you purchase.

What is “Subwoofer Output”?
It requires you to purchase your own amplifier and subwoofer. The option only provide 4 extra wires with signals that come from the front left and right door woofer.

LHD Countries: United States, Canada, South Korea, Germany, France, etc.
RHD Countries: United Kingdom, Japan, Australia, Hong Kong, etc.

Installation Manual:
Variant A / Variant B
Variant C

Installation Video:
Variant A
Supplementary for Variant B
Variant C

How to distinguish which variant you should order?

Variant A (Pre-facelift cars without OEM Electric Tailgate; Intel Atom computer equipped):
Made in USA Model 3 SR/SR+ built on or before 2020/10/04
Made in China Model 3 SR+ built on or before 2020/12/27

Variant B (Facelift cars with OEM Electric Tailgate; Intel Atom computer equipped):
Made in USA Model 3 SR+ built between 2020/10/05 and 2022/01/16
Made in China Model 3 SR+ built between 2020/12/28 and 2021/11/11

Variant C (Facelift cars with OEM Electric Tailgate; AMD Ryzen computer equipped):
Made in USA Model 3 built after 2022/01/17
Made in China Model 3 RWD built after 2021/11/12