https://www.techradar.com/news/amazon-accidentally-revealed-its-new-echo-sub-and-smart-plug-ahead-of-launch

It was only a couple of days ago that we learnt Amazon was planning on launching eight new Alexa -powered devices this year. Now two of those have been accidentally revealed by the retail juggernaut itself.

Discovered by Pocket-lint and since taken down, the Amazon Echo Sub wireless subwoofer and a smart plug made a brief appearance, along with images and pricing, on Amazon’s UK website.