I am dubbing between the Sonos Amp or the Denon PMA-150H as an amplifier. I have a set of B&W 606's, and listen to most music via a Thorens TD160 turntable with Rega preamp, CD Player or via streaming.
The Denon costs 1099 euros here. Just as much for a Sonos setup (Amp + Port for CD player)...