Why didn't it work when I connected Sony UBP-X700 player HDMI Audio only to Bose 700 soundbar HDMI ARC port? No sound! - Quora
Connecting a BRAVIA TV to an external device via the soundbar using HDMI ( ARC / eARC) cables | Sony SG
L'audio del televisore non viene riprodotto dalla soundbar, dal sistema home audio o di Home Cinema | Sony IT
![Connecting a BRAVIA TV with a Sound Bar and another input device using an optical digital audio cable | Sony AP Connecting a BRAVIA TV with a Sound Bar and another input device using an optical digital audio cable | Sony AP](https://www.sony.jp/support/tv/connect/soundbar/images/img_soundbar_wired2_004.png)