Echo Sub: a $129.99 subwoofer that pairs with Echo speakers - The Verge

is making a more serious foray into the home audio space with a subwoofer that can be paired to two Echo speakers for a 2.1 stereo system. Should Sonos be worried?

Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device : Devices & Accessories

Echo Sub review: Getting serious about sound

Echo Studio

Echo Sub Review

Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices

Official: Echo Studio with Echo Sub

Echo Sub review: Echo can finally go deep - CNET

Official: Echo Studio with Echo Sub

Official: Echo Studio with Echo Sub

Echo Studio creates an immersive, 3-dimensional soundscape, wrapping you in studio-quality audio from every direction. Just ask Alexa to play a song, artist, or genre and hear new details revealed in your favorite music. Plus, use your voice to check the weather, set alarms, and control compatible smart home devices.

Certified Refurbished Echo Studio - High-Fidelity Smart Speaker with 3D Audio and Alexa

Echo Sub - Review 2023 - PCMag Middle East

Echo Sub Review: Alexa Brings the Bass

ENJOY AN IMMERSIVE AUDIO EXPERIENCE - Echo Studio now features spatial audio processing technology for a wider and more immersive audio experience.

Echo Studio | Our best-sounding smart speaker ever - With Dolby Atmos, spatial audio processing technology, and Alexa | Glacier White