The German private audio blog Headflux belongs to good friends of mine. I help out with product reviews including photographs. Clicking on any image of the gallery below will take you to the specified article.

MrSpeaker Æon
Audeze iSine 20
Wie entsteht ein CIEM
Ein Besuch bei Vision Ears in Köln.
Astell&Kern AK70
iBasso DX200
Oppo PM-3
Benchmark DAC3 HGC
FiiO X5 III