Just because you’re driving around in an older car doesn’t mean it has to sound like an older car. Aftermarket car audio systems are a fantastic and inexpensive way to breathe new life into an older automobile, and today is your lucky day if you’ve been hunting for the perfect deal. Amazon has a big sale going on five different devices from Planet Audio, including four high-quality double din head units and one 1300-watt subwoofer and amp system. Check out all the deals below, but note that these prices are only good until the end of the day on Sunday.

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