Who is 20HERTZ?

Dr. Karsten Wetwitschka – the person behind the brand.

Read more

What makes 20HERTZ special?

Service that inspires.

Read more
20 Hertz
Dr. Karsten Wetwitschka
Zur Sielwiese 8
25337 Kölln-Reisiek
+49 4121 898 99 05
+49 173 884 94 46
wetwitschka@20hertz.de
20 Hertz   20 Hertz