I have the Dynon radio in my RV-8. Here are the settings directly copied from the exported user config file. They seem to work fine in the -8. I'm using an AKG AV100 ANR headset.
Hope that helps.
__________________ Carl N.
Arlington, WA (KAWO)
RV-8, 240 Tach Hours (Pic) - Out with the Old, In with the New (Pic)
RV-8, 1938 Tach Hours (Pic 1), (Pic 2), (Pic 3) - Sold
Glasflügel H-201B Standard Libelle, N564NS - Sold
Rolladen-Schneider LS1-f, N61MP - No longer owned