Not starting a M vs H argument but the Hoyt would have had all the factory installed limbsavers which might make it seem quieter in the shop but if you add them to the Switchback it will be just as quiet if not quieter. If you trust the lab tests which use sophisticated measuring devices the Switchback XTisquieter than the Trykon even withoutthe limbsavers. That being said base your decision on feel rather than whether you think one seems quieter than the other.