Which is better optical audio or HDMI ARC for soundbar? – OREI.COM
HDMI ARC vs Digital Optical: Which is Better?
HDMI ARC vs. Optical – Which Is Better?
Amazon Basics Toslink Digital Optical Audio Cable, Multi-Channel, for Audio System, Sound Bar, Home Theatre, Gold-Plated Connectors, 1.83 m, Black: Amazon.co.uk: Electronics & Photo
Optical vs HDMI: Which Is Better? - RTINGS.com
FIBBR 8K HDMI Fiber Optic Cable 1M, 48Gbps 8K HDMI 2.1 Cable/AOC Support 8K@60Hz, 4K@120Hz/144Hz HDR eARC Dolby Atmos HDCP 2.2&2.3 Compatible with PS5, Xbox Series X, PC, TV : Amazon.co.uk: Electronics
Troubleshoot An LG Sound Bar Optical Cable | Support | LG UK