Pci express 10 smart volume normalizer xear 3d virtual speaker shifter magic voice sensational surround for stereo headphones integrated headphone amplifier multi channel content expander brand asus item weight 327 g product dimensions 28 x 19 x 6 cm item model number xonar dgx series xonar dgx processor count 1 computer memory type ddr3 sdram audio details 3 essence stx ii uses more optimal layout and removes components that could cause interferencesessence stx ii adds 2 high fidelity ldo regul