The PXC 550 has 4 effect modes which are Movie, Club, Speech and Director. The Director effect mode can only be activated through the CapTune app which is designed for this product.
Movie - For more exciting entertainment. Best for watching movies.
Club - For more room impression. Best for music.
Speech - For higher intelligibility, best for podcasts and audiobooks
Director (custom) - The "Director" mode is an additional sound effect that can be activated only from CapTune. This mode allows you to create a custom sound effect by changing the sound enhancements such as Boost, Spatial, Reverberation and DLC which stands for Dynamic Level Control.