Mono tracks playing in only one ear of headphones

[iJammer]

I'm new to Audition (was previously using Audacity) and am wanting to setup a template for voiceover projects. I'm creating new Mono Waveform tracks (I see only one waveform) and it seems to record just fine but my playback is only coming out of the left channel. How can I set Audition up so I hear the track from both Left and Right channels?  [I have an SSL2 audio interface and have my monitor mix set midway between Input and USB. 2020 iMac running Big Sur 11.2.1]

[iJammer]

Okay, so I'm not a super-user but I'm feeling awfully proud of myself. I just figured this out. Here's the solution:

Go to Preferences — Audio Channel Mapping and, in the Output section, make sure your (L) Left and (R) Right channels are assigned two separate outputs. Normally, this should be 1 and 2. Click OK and test it out. See image below.

[SteveG_AudioMasters_]

It's a Mac, so I can't really comment on what happens outside of Audition, but as well as that, it's worth checking the output routing for the Master channel. This should be set to Stereo, and then mono tracks should play to both channels.

This is on a mono session, and the tracks play fine over both monitor speakers, and headphones as well if I use them.