Nu Dimension are an Indonesian four-piece boy band formed in 2012, consisting of members Romy Syalasa Putra, Johanan Ariel Matulessy, Bagus Cahya Adi and Ryan Hartanto Tedja.

They performed Michael Jackson's "Man in the Mirror" at the judges' home visit round and was selected to join Dhani in the live shows.

It was then revealed that Isa Raja received fewer votes, causing Nu Dimension to stay in the competition for another week.

In week 9, they collaborate with Mulan Jameela sing "Cinta Mati III" and received a negative feedback by the judges and said that they just sounds like a 'backing vocalists'.

In week 11, they sang "Points of Authority" by Linkin Park and the judges said that it was the best performance of the night, And a tribute song "Cobalah Mengerti" by Noah.

Nu Dimension performed the following songs on X Factor Indonesia: Romy Syalasa Putra, born (1987-01-11) 11 January 1987 (age 38), is from Mataram, West Nusa Tenggara.