also, note that your distance (delay) setting on a sub with DSP will be like 20+ ft as a result of the chip. So even if physically it is like 8-10ft, it will come out 20ft plus. Only the Axiom subs I've seen this issue.
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M80s-VP180-4xM22ow-4xM3ic-EP600-2xEP350
Anthem AVM60 Outlaw 7700 Emotiva A500 Epson 5040UB