Echo Dot our smallest smart speaker, with better speaker quality than the Echo Dot Gen 2 for louder, richer music, fits well in tiny areas. For stereo sound, connect an additional Echo Dot. Listen to music on Spotify, Sirius XM, Apple Music, and other platforms. Call loved ones who own an Echo device or the Alexa app. With a compatible Echo device, you may instantly check in on other rooms in your house or make a statement to every room.