I should fess up - It was me who bought those T amps for a similar plan to yours -Sorry.
I have struggled with some T amps i.e Muse ones that were recommended by Jerry -They do not all appear to sound similar. I have had a topping and muse T amp - Both did not do it for me where as the Trends I have seems workable.
process wise I am relying on wifi sound from spotify via chromecast It’s been reliable for a few months so I am pretty comfortable with it quality wise and the box count is low as are dropout snags
In terms of volume the T amp I am using with 92dB drivers gives plenty of welly in a largish lounge even for films.
The Behringer Inuke DSP amp aside from a noisy fan is brilliant value and simple to use at £170
I’ve now done this, using a Rotel RB-976 Mk2 six channel amplifier that I picked up of eBay for £150.
I don’t really understand why everyone doesn’t go active, or indeed digital active, as it’s such an upgrade. So much more dynamic, at all levels, and dead easy to do. Sounds fantastic - and i haven’t even tweaked it yet!