audio quality

Hi! I'm stuck between two amps that I've narrowed down: Alpine MRV-f300 (D) and Alpine BBX-F1200 (AB). Both of these match the specs I'm looking for. They will; -push four KS series 3.5" -push two KS series 6"x9". (bridged). The BBX will output 130w into two channels, while MRV will output...

Hi guys, been a while since I did any car audio but my buddy ordered equipment (not sure how he picked out what he did but) HU is JBL R3500 Amp is JL M700/5 Three sets of 6.5 M3 JL speakers and a prefab 10" sub box (hasn't told me the specs of this) I was going to help him install and my 2...