Need help: magico s5 or magico a5

[Supermerio]

Torn between a 2nd hand magico s5 or a brand new a5.

S5 after negotiation might go down cheaper at approximately
2k usd. Which one is better?

My equipment are the ff.

Vitus sia 025 mk2
Aurender n10
Chord dave/mscaler
NO vinyl

Cables:
Transparent reference xlr/speaker cables
Jorma unity/kubala sosna/furutech power chords

I listen to everything except classical and orchestra.
Room size is 15 ft by 23 ft.

Which one do you think is a better speakers?

Thanks
Elmer