A:AnswerSounds like you have your gain setting to high or your amplifier was not a match you need to use a multimeter and a oscilloscope to help you with your installation
A:AnswerO k, so what you need is a 500 W amp mono class D. Or
A four hundred watt amp one channel.
You will also need if you are not putting the napster market radio in this vehicle. An environment verter . Which gives you the option to put RCA jacks in a stock vehicle?
You also need an amp kit.