Yamaha WX-051 MusicCast 50 Wireless Speaker for Streaming Music. Works with Alexa. (Black)

Fill your room with dynamic, natural and crystal-clear sound Stream your favorite music through Wi-Fi, Bluetooth, airplay or Spotify connect. Speaker Unit - 3-7/8 inch woofer x 2, 1-1/8 inch soft dome tweeter x 2 Completes your wireless musiccast stereo or multi-room setup. Stream and control multiple rooms with the musiccast app for iOS and Android MusicCast stereo/surround-capable. Add either a single speaker or a pair to a MusicCast surround-capable AV receiver to provide wireless Surrounds for a 5.1-Channel home theater system Voice control with Alexa via any Amazon echo device