Alpine - SPC-300A3 Premium Alpine Sound System for Audi A3, S3, RS3
Audi A3 8P Speaker Upgrade Tweeter Distortion | Audi-Sport.net
Option Speaker Set Compatible with Audi A3 8P Front - 100% Plug & Play Audi A3 8P Speaker System - 60 Watt RMS, 3 Ohm, 91 dB Efficiency - Includes Tools and Insulation : Amazon.de: Electronics & Photo