Exporting causes "tinny" audio? Help

Hi there,

For some reason on my recent project, when I render my project, the audio in the resulting file is "tinny". It plays normal in da vinci on the timeline. I've played around with all the different codecs and it's always the same weird audio. Any suggestions?

thanks!

What is the source format and codec?

What is the destination format, codec, and channel configuration?