Bernie

I know somewhere in all I read its suggested that its designed to work best with a stereo signal feed into it. Then the amp does its magic with that.
I also read the sub output is not a true crossed over sub output but a full bandwidth line out. A few guys are using the GK12 bass amp with it and rolling off the mids/highs with the amp's tone controls. I believe thats what the inventor has the amp sitting on in the YouTube demos.
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Bill in SC --- Roland BK9 (2) Roland BK7M, Roland PK5 Pedals, Roland FP90, Roland CM30 (2), JBL Eon Ones (2) JBL 610 Monitor, Behringer Sub, EV mics, Apple iPad (2) Behringer DJ mixer