Ultimately everything is fine. ARC/HDMI - No Dolby Digital - PCM only, so adjust your TV's audio accordingly. Passthrough, Dolby or Auto will not play any audio over ARC/HDMI at all. ARC - the volume is not increased or decreased by one, but by 6, that is, 12, 18, etc. This is either too loud or too quiet. 3 sound presets are not very good. The message setting turns off the bass completely. The musical setting boosts the bass a bit, but not by much. In the film settings, there is too much bass and not enough treble - dialogues cannot be heard. The board is simple. Installation is very easy with the mounting bracket. Those planning to wall mount it with an ARC/HDMI port should plan on purchasing a 90 degree HDMI adapter as there is no room in the back. TCL 8i Atmos one. In general, for 50 dollars is normal. I live in an apartment and don't need too much bass so this will work fine. The sound quality is mediocre but reflects the price I paid for.
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