Dynamic gaming Amp - the Sennheiser binaural rendering engine delivers breathtaking 7. 1 surround Sound in HD Audio with separate audio and communication settings Quick setting changes - save up to 4 customized sound settings on the LED touch panel that allows one-touch mode switch, also between headphone and speaker listening and make fast adjustments with a large aluminum volume Ring EQ SETTINGS - 4 equalizer settings for eSport games, movies, and music attune sound design, character dialogue, and instrumentals to bring you absolute immersion