Sure. Swap the HDMI connections at the TV so that the HDS Pass Through connects to HDMI 1 of the TV and the 975 HDMI-ARC output connects to the TV's HDMI-ARC(2). (Audio Return Channel) The audio going back to the 975 and out to your speakers needs to travel from the HDMI-ARC port of the TV.
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Main HT <> 976 <> 7200 <> Ultra-X12 <> sapphire ST2 mkII RF/LF <> sapphire SC center
sapphire ST2 mkII SBR/SBL <> sapphire SS SR/SL <> Verizon/DVR <> Vizio M70Q7 <> Oppo UDP-203 <> Amazon 4k Fire TV