subwoofer volume

Straight to the point, here's the set-up and then the problem... Audison 5-channel Voce Amp. Active Audison Voce components in the front taking up 4 channels and the 5th channel for a JL W6v2 ProWedge (sealed box) sub in the trunk. Kenwood Excelon head unit. Set-up questions so you don't have...