The WiZ HDMI sync box doesn't support ARC (Audio Return Channel), it means that it cannot directly receive audio from your TV and send it to your soundbar or receiver for playback.

Here's how to set up the sync box with a soundbar or AV receiver using ARC:

Original setup with a sound bar

 Sync box and ARC

Original setup with an AV receiver

 Sync box and ARC - option 1

Sync box and ARC- option 2