The Hansshow Model 3 SR Premium Audio Upgrade Cable brings up to 6 speakers activation with an additional wiring harness. (supports Model 3 2017-2021).
Upgrade the audio system on your Model 3 by simply connecting the unconnected speakers already in your vehicle.
Go from 8 speakers to up to 14 with the Hannshow Model 3 SR Premium Audio Upgrade cable. (If your Model 3 is built after Feb 2020 only 4 speaker activations will be supported).
The wiring harness is designed as plug and play and totally reservable. The harness adds an addition crossover needed to drive the speakers with the correct frequency ranges.
This Model 3 premium audio upgrade is for Right Hand Drive vehicles only.
Installation service is available from our 3rd party installer and you can see the installation steps on this video from Hansshow. The video is a LHD install so you’ll need to carry out the steps on the opposite side of your car. Please ensure you power down the car correctly. It can take up to 15 mins to completely power down the model 3.