Am I hurting my HU?

[wp7456 10+ year member]

My fronts are infinity ref (2 ohms) and my rears are polks, (4 ohms) I have it faded to the rear by 2 out of 15. When I got my infinities a long time ago it said they are compatible with all head units, but is it bad for them????

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[1rockford1 5,000+ posts]

u should be fine, its cool to keep it all the same like infinity up front and in the rear