How to Set Up Echo Sub

Learn how to set up your Echo Sub. Echo Sub is a powerful subwoofer for your Echo, and requires a compatible Echo device. #AlexaGet Echo Sub for your h

just accidentally revealed an Echo subwoofer and smart plug - CNET

Did discontinue the Echo Sub? What is the alternative?

and audio: Echo pairing and customer support - EDN

Echo Sub Setup guide

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accidentally leaks new Alexa gadgets – including 'powerful subwoofer' called Echo Sub

Echo Sub Setup guide

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Can't connect echo sub and studio. Both have been de and then re-registered. I've reset wifi, double check both are on the same wifi and still nothing. What am I doing wrong?