The mid-sized speaker in the Sonos range, the Play 3 is a powerhouse of a speaker in a relatively compact shell. It has 3 custom built speakers inside which are in turn powered by 3 Class-D amplifiers to produce a powerful well rounded sound which can be enjoyed in any room in your house, control is done from the mobile application which is available for both Android and Apple mobile platforms. If you want the ultimate in sound, rent 2 of these great speakers and pair them together as a stereo pair, this creates a truly incredible sound. These are not brand new goods, these are quality refurbished items that may have been on rental accounts previously or are former demonstration units which are all supplied in great working condition. These models are all supplied subject to availability.