Advice on a box to connect to a home theatre system

Hi. I’m new to the world of kodi and I’m after a basic device that will allow me to stream from my PC to my TV via my home theatre system. The HTS has 5.1 surround sound and has my PS4, Sky box etc fed into into the sub via HDMI. There is then a single HDMI cable to the TV.

I don’t need it to do anything else fancy.

TIA