Introducing Echo Sub, a powerful subwoofer for your Echo, and Echo Sub bundle with left/right stereo sound. Learn more: https://amzn.to/2OGkyvE pic.twitter.com/DKDYiol7ef


Introducing Echo Sub, a powerful subwoofer for your Echo, and Echo Sub bundle with left/right stereo sound. 🔊🔊Learn more: https://amzn.to/2OGkyvE 

Original tweet: Introducing Echo Sub, a powerful subwoofer for your Echo, and Echo Sub bundle with left/right stereo sound. Learn more: https://amzn.to/2OGkyvE pic.twitter.com/DKDYiol7ef
Author: @amazonecho