Used speakers from wrecked cars are quite affordable on eBay, etc. I would order one and see if it works just to replace it. The specific fault code from the amplifier will help you narrow it down also. If you replaced the speaker and it works, you know it’s not a bad amplifier or wiring and could order the other. 2012 Range Rover HSE | 2011 Range Rover Autobiography | 2010 Range Rover Sport Supercharged
2020 Tesla Model 3 Performance, 2013 Mercedes-Benz G550, 2008 Ferrari F430, 2007 Volkswagen Touareg V10 TDI
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