distorted

I have a 2004 Impala. I put a pioneer DMH-100bt double din, Jensen 4 channel amp, RF 6x5 prime speakers in the front and RF 6x9s in the back. It sounds really good, I'm loud and proud but my front passenger speaker is distorted so I'm looking to buy new speakers. I'm looking for advice/opinions...

About a year ago I bought Kenwood KDC-BT752HD radio headunit for my 2005 Chrysler Crossfire SRT-6. I bought the necessary wiring harness and had it installed. Whenever I increase the volume it gets distorted until you're unable to hear any music and it's just noise. It worked perfectly for a...