How to connect Digital decoder 5.1 to LG Smart TV

[Yashvijay]

I got a separate Multimedia speakers (Creative 4.1) and Surround speakers(2400 watts).. I need to connect both of them to my smart tv through optical cable with the help of a decoder(As mentioned Digital decoder 5.1)

 

[americanaudiophile]

This might help
http/www.ebay.com/itm/like/261325168149?lpid=82