We say:

The microKORG XL just got bigger! In the next evolutionary step, the microKorg XL delivers a fresh update to the sounds and design of the microKorg XL. Its fat, powerful sounds, unmistakably unique exterior and keyboard staples make the microKORG XL the ideal compact keyboard.

Korg says:

With its unmistakably unique exterior and its inimitable sound, the microKORG set the standard for analog modeling synthesizers. The year 2008 saw the introduction of the microKORG XL, which inherited the microKORG's fat and powerful sounds, while adding keyboard staples such as electric piano and CX-3 organ. And now, in the next evolutionary step, the microKORG XL delivers a fresh update to the sounds and look of the microKORG XL, making it an ideal compact keyboard.