Audio Adapter for Audi A3, S3, A4, S4, and TT This XTRONS 40-pin ISO harness adapter features a high-to-low impedance converter, designed to resolve common issues with Audi vehicles: • Eliminates problems where rear speakers produce no sound or emit static noise after installing an aftermarket stereo. • Specifically addresses static/buzzing issues with BOSE speakers, ensuring clear audio performance. • Provides a perfect fit with factory power cables for Audi stereos, ensuring a seamless installation. Upgrade your audio system effortlessly with this reliable solution.
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