announces new Echo Sub — A subwoofer accessory for the Echo and Echo Plus

has announced the Echo Sub, a new subwoofer accessory that can be wirelessly paired with either a 2nd-gen Echo or the new 2nd-gen Echo Plus to add more bass to your music. It features a 6-inch downward-facing subwoofer with 100 watts of power.

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A compact, capable version of 's top shelf smart speaker - CNET

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Official: Echo Studio with Echo Sub