Amazon announces Echo Sub, Echo Link Amp, Echo Link, and Amazon Smart Plug

At an event today in Seattle, Amazon significantly broadened its Echo device lineup -- and that's understating it. It took the wraps off the Echo Sub, its answer to voice-enabled premium audio products like Apple's HomePod, Sonos One, and Google Home Max; the Echo Input, a wireless accessory that connects to legacy speakers; the Echo Link Amp and Echo Link, amplifiers with multiple audio inputs and outputs; and Amazon Smart Plug, a connected outlet. They round out Amazon's existing and refreshed selection of smart speakers (the Echo, Echo Dot, and Echo Plus), smart displays (the Echo Show and Echo Spot), and smart cameras (the Echo Look). The $130 Echo Sub, which ships today, features a mesh cloth that comes in several colors, and a 6-inch, 100W down-firing speaker that can be configured in stereo. Two paired Echo Sub speakers can act as a single 2.1 system, with distinct left and right audio channels.