Experience immersive sound with the Yamaha WX-021BL MusicCast 20 Wireless Speaker. Compatible with Amazon Alexa, MusicCast skill and Smart Home skill allow you to play music using just your voice. Designed to work independently or in a group, you can use multiple MusicCast speakers to listen to music throughout your entire home. Similarly, you can stream and control several rooms via the MusicCast app. Likewise, use the app to stream music services and listen to downloads from your devices. The speaker offers wireless surround sound for a home theater experience when pairing it with a MusicCast Surround-capable AV receiver. To make your own studio at home, pair two speakers and enjoy a powerful setup that saves space. With multiple connectivity options, you can play music via Bluetooth, Wi-Fi, Spotify Connect, and AirPlay.