Wired Earbuds Are Cool Again, Hop (Back) On The Bandwagon With Periodic Audio’s Magnesium V3 Entry Level IEMs With wired earbuds experiencing a resurgence, Periodic Audio has a $99 set that is far better than the old smartphone freebies you might find tangled at the bottom of your junk drawer. Hands-on with the Periodic Audio Magnesium V3 wired IEMs.