Erik gave you the EZ-PZ pathway forward,
(1) FROM TV PANEL TO EXTERNAL DAC: high-quality glass toslink optical cable
(2) EXTERNAL DAC : AUDIOQUEST BEETLE DAC with Blutooth
https://www.themasterswitch.com/review-audioquest-beetle
https://darko.audio/2017/12/with-the-beetle-audioquests-199-dac-goes-home-and-away/
https://www.audioquest.com/dacs/beetle/beetle
(3) FROM EXTERNAL DAC TO YOUR INTEGRATED AMP:
quality 3.5 mm- mini to twin-RCA interconnects
= good to go ....highly recommended
FWIW .... investing in a high-end glass fibre toslink cable ( WIREWORLD recommended ) instead of the usual throw-in cheap plastic toslink cable , did make an appreciable difference for me
(1) FROM TV PANEL TO EXTERNAL DAC: high-quality glass toslink optical cable
(2) EXTERNAL DAC : AUDIOQUEST BEETLE DAC with Blutooth
https://www.themasterswitch.com/review-audioquest-beetle
https://darko.audio/2017/12/with-the-beetle-audioquests-199-dac-goes-home-and-away/
https://www.audioquest.com/dacs/beetle/beetle
(3) FROM EXTERNAL DAC TO YOUR INTEGRATED AMP:
quality 3.5 mm- mini to twin-RCA interconnects
= good to go ....highly recommended
FWIW .... investing in a high-end glass fibre toslink cable ( WIREWORLD recommended ) instead of the usual throw-in cheap plastic toslink cable , did make an appreciable difference for me