I use this with the Pannarello Saeco XSmall. The sound when frothing milk without Pannarello gleichte most likely a landing Fugzeug when I used the Maschiene still without Pannarello. With pannarello now the process can clearly quieter so that the Machine Production can also be used, if the rest of the residents is still sleeping. However, this article does not promise just perfect milk foam. Nevertheless, it is important to practice some foaming, and to learn the correct sequence. Has mans once out it works beautifully. Alone because of the greatly reduced volume already 5 Stars!