Dolby Surround Sound - Immersive 360 degree audio lets you pinpoint the direction of every sound Equalizer [EQ] Presets - Multiple EQ presets including bass, treble and midrange boost combinations Adjustable Surround Sound Angles - Alter the positioning of the surround sound angles for the best audio experience Digital Optical Connection - Delivers the highest quality of digital surround sound Auxiliary and Analog Inputs - Connect a digital music player and listen to your favorite songs while gaming Dolby Surround Sound - Immersive 360 degree audio lets you pinpoint the direction of every sound Equalizer (EQ) Presets - Multiple EQ presets including bass, treble and midrange boost combinations Adjustable Surround Sound Angles - Alter the positioning of the surround sound angles to customize your audio experience Digital Optical Connection - Delivers the highest quality of digital surround sound Auxiliary and Analog Inputs - Connect a digital music player or other secondary audio source