This set up is on my Harley:
I have a Rockford Fosgate PBR 300x4 Mini amp.
I have one channel going to 2 6x9s and 2 6.5s
I have another channel going to 2 additional 6.5s
Then I have 2 6.5s running straight to the radio.
Kenwood Marine radio: When I have the fader even everything plays...