arch2They’re not parts Arch, but the complete made up item without box.
It’s easy as abc to abc arch, if you can put a system together, you could do this, if you took time look at the data sheet over a few times while doing it, everything would sink in.
And don’t forget, if something puzzles you, we all here have access to the data sheet to help out, and you "could" end up with one helluva GaN Class-D Integrated with dac. for $1.3k
It’s all here iec AC to the power supply, +- power supply connector to the Class-D board, I drew in the input rca’s and speaker terminals
https://ibb.co/bHjMpSs the rest is just mounting screws a box and speaker terminals.
Cheers George