Echo Sub is a plug-and-play subwoofer to boost your Echo music

is adding a subwoofer to its Echo family, bringing the bassline to its Alexa-powered speakers.

How to control your home stereo with Alexa or Google

Echo Studio Review

Echo Review: Decent Sound at Half The Size And Price

Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices

Echo Sub Review

Echo Sub - Powerful subwoofer for your Echo - requires

Echo Sub – Powerful subwoofer for your Echo – requires compatible

Echo Sub Review: Add Boom To Your Music Experience

Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices

How to add an Echo Sub and configure Alexa EQ settings