Well believe it or not I bought this product last year to replace a pioneer Dolby pro-logic that I had since 1995, so you could imagine the difference in sound quality. Believe it or not but during installation I spent an additional $100 for nothing because i couldn't get any output from my unit which i thought was bad. So geek squad came to my house and charged $100 to turn my volume up for me. I was used to my old unit where a little turn of the volume knob produced pounding output, whereas this unit I have to get to about -25 before any sound comes out. You could imagine how silly I felt. I'm still not using it to its full capacity but I will soon. I swear by Pioneer so i may be a little biased, but buy it you won't regret it.