On Wed, Jun 24, 2020 at 8:33 PM Macy monkeys <macymonkeys at charter.net> wrote: > Overall, the K3 sounded a little smoother to my ears. I do not own a K3 > nor have I ordered a K4. But I would be happy with either one! > Please define "smoother". I prefer the K4 audio. Note that the recording starts with K3 audio. 73, Bob, N6TV