Get premium sound and a smarter home with Amazon Echo (4th Gen). Its powerful speakers fill the room with clear highs, dynamic mids, and deep bass for rich, detailed sound from a variety of streaming platforms. With built-in Amazon Alexa, you can play music, answer questions, make calls, and much more, all by using your voice. Built-in Zigbee gives you a smart home hub. | Amazon Echo (4th Gen) Smart Home Hub with Alexa - Twilight Blue