The yamaha musiccast system is a revolution in network audio any of the yamaha products which carry the musiccast symbol can be used together and all controlled by the musiccast app which is available for ios and android devices the wx 010 uses a 9cm woofer and a 25cm tweeter combined with passive radiators on both the left and right of the speaker to ensure the best possible sound quality and depth in a small overall unitthere is apple airplay built in and also bluetooth for receiving music