In Season 3, the coaches are Nena, Max Herre, Samu Haber (lead vocalist from Sunrise Avenue) and Boss Burns & Hoss Power (lead vocalists from The BossHoss).
In Season 4, the coaches are Rea Garvey (lead vocalist from Reamonn), Stefanie Kloss (lead vocalist from Silbermond), Samu Haber (lead vocalist from Sunrise Avenue) and Michi Beck & Smudo (rappers from Die Fantastischen Vier).