I connected E50 to my MacBook using Optical cable, E50 showed OFS and up to 192 Khz!?
Before, I connected E50 to Node, using same Optical cable, according to Bluesound recommendations: https://support1.bluesound.com/hc/en-us/articles/115006191908-Why-Isn-t-My-External-DAC-Playing-MQA-
but no...