I just bought the new Mammut Barryvox S beacon and as people have asked me about it, here's a review from a knowledgeable source that's hopefully impartial and helpful. Firstly if you don't know me, I've been a pro snowboarder for 20 years, am a CSGA level 2 and ACMG apprentice splitboard guide and an engineer who likes shiny new tech. While I'm a sponsored athlete I have no relation to Mammut and don't even know anyone who works there. So hopefully that checks off the impart