Echo Sub: a $129.99 subwoofer that pairs with Echo speakers

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 Unboxing and Setup

Sonos Sub Mini Dual 6 Wifi Subwoofer Black SUBM1US1BLK - Best Buy

s Echo Lineup: Which Is Right for You?, by PCMag, PC Magazine

just revealed its plan for total smart home domination

Echo Sub review: Add some serious bass to your Echo or Echo Plus speakers

just revealed its plan for total smart home domination

s surprise hardware event: the 14 biggest announcements - The Verge

Echo Sub: Good Hardware Meets Limited Software

Ultimate Guide to Alexa and Echo