A car amplifier is a key component to any great audio system, but they can go bad without warning. Here are a few signs that your car amplifier might be on its way out:
1. Your audio quality is suddenly worse. If you notice that your music sounds flat or muffled, it could be a sign that your amplifier is going bad.
2. You start having trouble with feedback or interference. If you turn up the volume and start hearing a loud, annoying buzz, it's probably time to get a new amplifier.
3. Your speakers start making strange noises. If you notice popping, clicking, or crackling sounds coming from your speakers, it means that your amplifier isn't sending clean power to them anymore.
4. The lights on your amp are flickering or dimming.
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