Jaymar,
If you want to hook them up the way you are going about it....here's what the setup needs to be:
At the Tyros subwoofer, where the RCA jack plugs in, you will need to get a Y adaper the one end needs a male rca to plug into the Tyros sub....the remaining 2 ends need to be female rca's plug the one that comes out of the Tyros board into one end of the Y, then take the little Y adapter that came with the 621's and plug that into the other end of the Y, that will then go to the 1/8" stereo in of the 621 subwoofer.
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jam on,
Terry
http://imjazzed.homestead.com/Index.html [This message has been edited by trtjazz (edited 02-17-2003).]