Does anyone have Bose Soundtouch 300 Soundbar and Kodi?

I am confident that the Soundbar is DTS capable, but when I turn on pass through I get no audio...

my setup is...

PC --> BOSE Soundbar --> TV (All HDMI)

I then set Kodi to Direct sound HDMI
5.1 Channel
Passthrough = Yes
DTS = Yes

But no sound.....

If I set it to no Passthrough it works, but does that use the DTS, or other dolby sound or does it down sample?

What setting do you need on the bose app?

Any advice would be great, thanks....

here is the link to specs.... it says passthrough enabled.... --> SoundTouch 300 Soundbar Specs