Need help for audio optical to aux

[PrimoAce]

Recently bought the PRISM+ E55 TV, but i'm unable to connect to my Sonos playbar as the prism+ tv only has HDMI arc and aux port, while the Sonos playbar only have an optical cable. Is there a converter i can get in order to get sound from my playbar instead?
I bought a Optical Toslink Audio Female to Optical 3.5mm Audio Mini Plug Converter Adapter but it doesn't work.

 

[yusoffb01]

optical to aux means you need
digital to analog converter aka DAC

 

[limcc]

According to YT review of PRISM+ E55, your TV should have Coaxial digital outpput. 3m:24s

Buy a Coaxial RCA to Optical Toslink SPDIF Converter/Adapter for best SQ, or a ADC--Analog to Digital Converter to convert the 3.5mm analog output of TV to toslink input of soundbar.

 

[t258jgn]

Can consider this

https://www.amazon.com/gp/product/B07T6CDPQJ/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&th=1

 

[Macca1980]

Hello PrimoAce, I am having the same problem, unable to connect Prism E55 with Sonos Playbar, did you manage to solve the problem?