Stopped in at a shop last week and heard a display with my focals and a masconi amp. The display sounded significantly better than my setup which is using a rf 300.4. The masconi is 100.x4 and is an $1100. Ever since I have been tweaking and tuning trying to get that same warmth (if that makes sense) Fromm setup and not found it yet. Question: what is the variable here amp, vehicle or what? They had deck going directly to amp no crossover or anything.