Equipped with 5 speakers to produce powerful bass, dynamic midrange, and crisp highs, the Echo Studio speaker from Amazon is a compact home smart speaker with 3D Audio & Dolby Atmos technology,  and of course Alexa for voice-controlled streaming songs via Amazon Music, Apple Music, Spotify, Pandora, Tidal, and more. And with Amazon Music HD, you can play 50 million songs in HD plus a growing library of music mastered in 3D.