For your MIDI devices without a thru, this might help

http://midisolutions.com/prodqth.htm

and if you have more than 4 devices

http://midisolutions.com/prodt8.htm

If you want the MIDI devices to be separate, so that one device at a time can be selected (if your software supports it) a MIDI patchbay would work

http://www.sweetwater.com/store/search.php?s=midi+patchbay&Go=Search

Notes


Bob "Notes" Norton smile Norton Music
https://www.nortonmusic.com

100% MIDI Super-Styles recorded by live, pro, studio musicians for a live groove
& Fake Disks for MIDI and/or RealTracks