I haven’t done this with a one-on-one. Though if you combine the Mini (your TV) with the Arylic Amp, you are in fact grouping/creating Multi-room. So this should cause the same delay as I have been experiencing.
To my opinion, if you want wireless speakers connected to your TV without delay between audio and video, there are just few options:
What is needed is a kind of ‘controller’ that can manage the video/audio synchronization. For wireless sound combined with TV’s there are two technologies:
With both technologies there is control over the synchronization between video on the TV screen and audio coming from the wireless speakers.
I have seen someone using the Apple TV 4K box together with AirPlay compatible speakers. He mentioned that the Apple TV box in this case handles the synchronization, and can even play stereo to a set of wireless stereo speakers, without delay.
What is needed to overcome:
There are no TV manufacturers that have incorporated the ‘Apple TV like’ control over audio/video synchronization. The AirPlay that is usually implemented is only to get content from a smartphone/iPad to your TV. Not for getting sound from the TV to AirPlay speakers.
There are many TV manufacturers that support WISA and are able to stream to WISA speakers, without delay between audio and video. But there are no DIY audio receivers that support WISA.
I am still on a quest to find a way to make this work. Hopefully some party like Arylic or Linkplay will implement WISA. Or more TV manufacturers will implement Apple TV AirPlay capabilities in their TV-sets.
Anyone that knows more about this, or has ideas, please be welcome to respond.