Good news If you’ve got a Sonos music system and an Apple AirPort Express: a free software update will make your multi-room Sonos system AirPlay compatible.
Available today as a free download, Sonos System Software 3.4 adds AirPlay compatibility to a multi-room Sonos music system. You do need an Apple AirPort Express though, which when plugged into any ZonePlayer’s line-in can be played across multiple systems across the house — so-called Party Mode.