Is the Echo Sub worth buying over other speakers in 2022?
Echo Sub Review: Alexa, Goes Boom!
Customer reviews: Echo Sub - Powerful subwoofer for your Echo - requires compatible Echo device
Echo Sub review: All about that bass and we're delighted Review
Echo Sub: Good Hardware Meets Limited Software
Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices
Echo Sub review: A good bass add-on
Echo Sub Review: An Affordable Subwoofer for Compatible Echo Devices
The Echo Sub Review - Impulse Gamer