Eric
i have the Sena 50s-10 which has the upgraded mic and speakers. I went from a 20 with upgraded speakers to the 50 and it was still quite an improvement. Mesh with more than a couple of people on it makes my audio skip in and out. So I usually just turn off mesh.
I believe the 30 is Bluetooth. 4.2 . The 50 is Bluetooth 5.0 which gives a little better battery life and range. Most of the time I use mine to listen to the radio. Yes I can change audio with the wonder wheel.
Gary Felkel
which ever you go for I think both will work fine.