Feature:1. Applicable Model: The speaker activation wire harness is a replacement for Model 3 2022, please check the model and year before ordering.2. Function: The original car can only use 8 speakers, with this wiring harness, you can activate 4 inactive speakers and add 2 additional speakers to give you more wonderful music enjoyment.3. Improved Sound: Inactive speaker activation harnesses transmit otherwise ignored audio signals to the speaker, boosting audio and making music more beautiful.4. Enhance Driving Experience: High music effects can improve the driving experience, and can bring a more comfortable driving experience when long distances or in traffic jams.5. Fine Workmanship: The wiring harness does not require additional processing, the wire is thicker, the resistance is smaller, the sound effect is improved, and it is safer.Specification:Item Type: Speaker Activation Wire HarnessMaterial: ABSFitment:Replacement for Model 3 2022 (Only for left hand drive).Package List:1 x Screw Wrench1 x Disassembly Wrench1 x Wiring Harness