Give your Echo deep bass with the Amazon Echo Sub Subwoofer. This device delivers 100W deep bass sound through a 6-inch woofer. Simply connect Echo Sub and a compatible Echo device to add rich bass to your favorite beats. In fact, you’ll even be able to feel the music once you pair the Echo Sub with your Echo device. To set up Echo Sub, plug it in and open the Alexa app to wirelessly connect it to your Echo device. Then ask Alexa to play music to get the party started. Pairing Echo Sub with two Echo or Echo Plus devices creates a wireless 2.1 stereo system, offering rich left/right stereo sound. Finally, Echo Sub comes in three colors including Charcoal, Heather Gray and Sandstone.