BQEYZ Spring 1.....3 types of drivers

IEMs / Other In-Ear Monitors (IEM)
1

13mm Coaxial dynamic driver, 7 Layers piezo electric and a Balanced armature.
Looks interesting :+1:
https://www.aliexpress.com/item/4000122244534.html?spm=a2g0s.12269583.0.0.7ebd69fd3YA9Pc

2

Looks interesting, but I wonder if it actually sounds good

3

Not sure mate but iā€™m loving that the iem market keeps pushing on tech and price wise :grinning_face:ā€¦

One review but not a very conclusive one?..