This video teaches you how to connect your old soundbar/headphone/speaker with 3.5mm jack to your state of the art samsung tv which only has optical audio output.

This video also teaches you the settings required fix the crackling sound.

Items which need to be bought with link below from Lazada purchase:

RCA to headohone converter:
https://www.lazada.com.my/dtechdt62...

Digital Optical Toslink Coax to Analog L/R RCA Audio Converter+1.5M Fiber cable:
https://www.lazada.com.my/digitalopt...

Hope this helps you, drop my a comment/question and I will try my best to answer.

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