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Model 3 SR+ Inactive Speaker Activation Wire Harness


With this wire harness, you can activate the 6 inactive speakers on SR+ (only 4 in post March 2020 build) cars.

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.

Note: this would lower the impedance of the load and might put more stress on the OEM amplifier.

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