Excellent sounding Sonos Connect ZP90 which has been treated to Fidelity Audio's £799 'Pro' upgrade package, including...
Sonos Pure Upgrade – low noise PSU
Fidelity Audio C3 Premium low jitter clock
High grade Silver coax (clock signal)
Full details available here...
https://www.fidelityaudio.co.uk/sonos-83-c.asp
In full working order, S1 compatible only (obviously).
Available now for £350 delivered (to a mainland UK address).
DSC07387 by Brer Rabbit, on Flickr
DSC07388 by Brer Rabbit, on Flickr
DSC07393 by Brer Rabbit, on Flickr
DSC07394 by Brer Rabbit, on Flickr