HDMI audio over Samsung tv HDMI ARC

Hi guys!

I have a TX5 Pro (S905X) with the latest Coreelec on it. I’m using it thru a Samsung T5370 and a Sharp soundbar connected via HDMI Arc to HDMI2 Arc port of the tv.

I have a strange situation: when I use the TX5 Pro thru HDMI1, the volume on the soundbar is enormous, while when I use the tv with its tuner or with smart apps, the volume is way quieter.

The same using SPDIF.

Is the box having a “hotter audio output”?

Thanks in advance for the reply!

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