Setting the Gains on the Impala Amp

[@jrla182000]

Did the pac give you engine noise when you turned the car i want to buy one of these but im affraid it will give me engine noise please reply thanx

[@jacob72499]

Do I need to buy a amp? I just want to upgrade the speakers and keep the factory radio.

[@stevofla239]

how do you know there is no distortion?

[@chicogoins3848]

how many watts is your amp?

[@03Misael21]

75x4 rms