In the meanwhile I just changed the settings on the PSM 900 to Mono, now I get a mono signal in both ears...

Hi everyone, I am a solo musician but have now incorporated a band.  I recently bought IE PRO 18's and a Shure PSM 900 along with a Allen and Heath Mixwizard console...ear buds plugged into rx body pack -  wireless connection to tx'er -  tx'er plugged into mixing board.  Tx'er plugged into...