Set to cost $49.99, the device is specially designed for use in automobiles which are typically louder than your home.
Research firm eMarketer has said that 40.7 million people in the United States will use Echo devices this year, up more than 31 percent from 2017.
The Echo Sub is a sub-woofer that can pair with any Echo speaker. While it seems fairly likely that the info listed - if not the price - is accurate, until Amazon officially unveils the products, we won't know for sure. Given that the sound quality of the original Echo has been something of a talking point amongst audiophiles, this is probably good news, though we'd temper it with the fact that if they get it wrong, this could be very expensive turd-polishing exercise.
The Echo Input ($35) is a coaster sized device for adding Alexa controls to existing speakers. Echo Dot and Echo Plus will start shipping next months, while Echo Sub will be available later this year.
Pre-order the microwave now; it's set to launch on November 14.
The new Echo Dot, Amazon's bestselling smart product, features a fabric design that is similar to the Google Home Mini.
There's also a new $25 smart plug which can be linked to Alexa allowing you to individually label it and simply say specific commands such as "turn off the bedroom light". Since the price remains unchanged, those who want an Echo Dot can now order the newer generation product without shelling out more.
Other companies have tried to imitate Amazon's success.
As expected, the company focused a lot on a new range of its Echo-branded speakers.
One of the really cool things that the update brings is the ability to whisper to Alexa. It also comes with whole new features like Amazon Silk and Firefox browsers, Tap to Alexa, Alexa Presentation Language, among others.
Amazon unveiled the Alexa Presentation Language, a new design language that will help developers build and arrange their own skills on Alexa devices with a screen.
The Input will be bundled with some third-party speakers such as Bose, Amazon said.
With overlapping groups, you can add one Echo device to several multi-room music groups. The Echo Auto comes with 8 microphone array which is capable of listening to the user while driving. Echo Link Amp has a 60W 2-channel amplifier, with left-right speaker binding post outputs to support wiring into passive and non-powered speakers, Amazon says.
After speculations and leaks on their own websites, Amazon revealed a slate of new hardware at a surprise Echo Alexa event.