Echo Sub will be a Subwoofer for Echo According to Pocket-Lint, New Products to be Announced Today

Echo Sub And Smart Plug Leak As Part Of Alexa Product Expansion

This bundle includes one Echo Studio device and one Echo Sub device. Add rich bass to your music experience. Echo Sub delivers down-firing, 100W deep

Echo Studio with Echo Sub

Echo Sub review: Getting serious about sound

Official: Echo Studio with Echo Sub

Echo Sub Review

Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices