The new frame range allows for on-wall installation of these exceptional in-wall speakers. These slimline frames are equipped with anti-vibration wall studs and protective felt for optimum integration onto any surface, both vertically and horizontally. They have been specifically designed to facilitate assembly of your 1000 IWLCR Utopia loudspeakers with the 1000 IWSUB Utopia subwoofer. It is also possible to integrate two 1000 IWSUB Utopias into one frame.