please help me tune my system

[vdubpower 10+ year member]

i recently changed my deteriorated 12w0 4ohm for a 12w3v3 4 ohm sub

i have been using a precion power amp pc275 from what i understand has been bridged to 300watts mono.

here are some pics of the settings

my head unit is a kenwood x817

remainig speaers are 2 4inch 2ways in front eclipse and 2 6 by 9 3ways in rear deck eclipse all running with eclipse 4 chanel amp

please advice me on how to adjust settngs, i am a noobie at this

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[vdubpower 10+ year member]

 

[vdubpower 10+ year member]

please , asking for advice