too many crossovers

[joikd]

Should I use the head unit's xover, or both of the amp's xovers? Obviously, I'll be using Ology's--just need to know which is better from the other two.

Here's what I have:

--Ology's crossovers

--Kenwood XXV-01D

--Orion 4004

--Orion 2500

Any help would be appreciated.

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