I've never heard, but have read great reviews on these cheap drivers in a crappy box made by Buchardt, the S400's
Interesting test with very high end gear on this youtube video.You may have to fast forward in some places as some of the music has been remove for copyright reasons
Watch "Buchardt S400 test run and review." on YouTube
https://youtu.be/4RTekjijV2I
Interesting test with very high end gear on this youtube video.You may have to fast forward in some places as some of the music has been remove for copyright reasons
Watch "Buchardt S400 test run and review." on YouTube
https://youtu.be/4RTekjijV2I