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.

Echo Sub review: Echo can finally go deep - CNET

Pump Up the Jam: How to Connect Your Echo to an External

Echo Sub review: Echo can finally go deep - CNET

Echo Plus and Echo Sub: Alexa, make the floors shake

Echo - Wikipedia

All-new Echo (4th Gen) With premium sound, smart home hub, and

Wireless multi-room speakers and components for music streaming

Echo Plus and Echo Sub: Alexa, make the floors shake

How many Echo speakers can I pair with an Echo Sub?

All-new Echo (4th Gen) With premium sound, smart home hub, and