introduced the Echo Sub for Echo speaker owners who wanted to inject some room-moving bass into their smart speaker experience. We took the new Alexa-friendly sub for a spin and quickly learned that it’s a niche product, but one that does its odd job extremely well.
Tap review: Alexa's magic is gone - The Verge
Echo Show 10 review: this rotating Alexa display follows you around, Alexa
Echo Sub Review: Alexa, Goes Boom!
Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device : Devices & Accessories
Echo Sub: Taking Your Audio Experience to the Next Level Review
Echo Sub review: Echo can finally go deep - CNET
Echo Sub Review
Is The Echo Sub Worth It?
Echo Sub Setup guide
Echo Sub Review We Test This Subwoofer HARD!