Jonas will appear as part of the judges' house portion of the show, where the top 16 acts are selected. The upcoming season will also feature Britney Spears, L.A. Reid, series creator Simon Cowell and Jonas' "Camp Rock" co-star Demi Lovato as judges.
The second season of "The X-Factor" will premiere Sept. 12 at 8 PM on Fox.
The singing competition is searching for undiscovered talent 12 years old or over – both solo artists and vocal groups – who are willing to brave the panel for a chance to win a $5 million recording contract with Syco/Sony Music.
Visit thexfactorusa.com.