HI wordgasm,

You can run the EP500, then just use the line-out jack on the EP500 with a single RCA cable to your JBL's line input, like a daisy chain. You needn't run two separate RCA cables all the way from the receiver to each subwoofer, unless it's more convenient to do that.

Regards,
Alan

Alan Lofft,
Axiom Resident Expert (Retired)