The a9 is Sony's flagship mirrorless camera. It is a 24.2MP full-frame unit with an Exmor RS sensor and a silent shutter. Normally, this extensive piece of kit retails for US$4,498. However, the new "Step up to Sony" offers interested prosumers the chance to pick it up for 22$ off this price.
https://www.notebookcheck.net/The-Sony-a9-mirrorless-camera-can-be-had-for-US-1-000-cheaper-right-now.422876.0.html