This is the SoundBar: https://www.bose.com/p/home-theater/bose-smart-ultra-soundbar/SUSB-SOUNDBAR.html
The Soundbar's Dolby Atmos feature can ONLY be enabled if connected with the "HDMI™ eARC cable" that comes with the Bose Soundbar packaging.
However, I don't have an HDMI port on my...