Uploaded November 2016 | Updated September 2026, 1 week ago

---

Modern headphones claim to have extremely high sensitivity due to the use of neodymium supermagnets.

Support Roger on Patreon: patreon.com/kainkalabs

So they should be extremely good for using in a crystal radio.
Roger compares and measures 3 different types and comes to a surprising conclusion.

Forum: forum.kainkalabs.com/forumdisplay.php?fid=3
Shop: ak-modul-bus.de

twitter: twitter.com/kainkalabs
facebook: facebook.com/kainkalabs