Upgrade your **Tesla Model 3 audio system** with this **Premium Audio Activation Wire Harness**, designed to **unlock inactive speakers, enhance sound quality, and ensure seamless installation**. If your **Tesla Model 3 (2021)** has unused speakers, this **high-performance wiring harness** allows you to **activate them effortlessly**, delivering a **richer and more immersive audio experience**. 1. **Compatible with Tesla Model 3 (2021)** Specifically designed as a **direct replacement** for **Tesla Model 3 (2021)**. Please **verify your car’s model and manufacturing year** before purchasing to ensure compatibility. 2. **Activate 4 Additional Speakers for Enhanced Audio** The original Tesla Model 3 **only utilizes 8 speakers**, leaving 4 inactive (for models built after March 2020). This **audio activation wire harness** enables you to **activate those unused speakers**, significantly improving **sound depth, clarity, and overall music enjoyment**. 3. **Lossless Sound Quality with Stable Transmission** Featuring **high-fidelity audio cables**, this harness ensures **stable data transmission** and **crystal-clear sound quality**. Enjoy **a fully immersive listening experience**, with richer bass, clearer vocals, and enhanced surround sound. 4. **Upgraded Design for Maximum Performance** This **newly improved wiring harness** includes: - **Thicker wires for better conductivity** - **Lower resistance for optimized sound transmission** - **Stronger and clearer sound output** - **Enhanced safety and long-lasting durability** Experience a **significant boost in audio performance**, making every drive more enjoyable. 5. **Easy Plug-and-Play Installation Without Modifications** Designed to **match the original factory interface**, this harness **plugs directly into your Tesla’s existing connections**—no cutting, splicing, or additional modifications required. The **non-destructive installation** ensures **zero damage to your vehicle**, making it a **hassle-free upgrade for Tesla owners**. Unlock the **full potential of your Tesla's audio system** with this **Audio Activation Wire Harness**, offering **easy installation, high-quality sound performance, and a seamless factory fit**. A must-have for **Tesla owners looking to enhance their car’s music experience effortlessly**!