the speaker level imputs were tapped from the old speakers that were in there, I used one set of them wired into RCA and into the amp.
80 is all the way downs on the dsp, the bass level is in the negative and even at lowest setting kinda helps a bit but then the sound quality sucks on the rest of the speakers.
bass boost is off, lp filter on, not sure what its at now, but tried at all freq;s on the amp.
what do you mean by reajusting inbput sensitivity control, and input voltagesetting?
and I dont think its running 4 ohms.
like I said before I never had an amp that I could not adjust down to nothing, kinda wierd?

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M3