DENON USB-DAC / headphone amplifier Silver DA-300USBS plays PCM digital audio sources up to 24-bit/192kHz decodes Direct Stream Digital (DSD) files at 2.8MHz or 5.6MHz resolution natively or via DoP (DSD over PCM). TI PCM1795 32-bit/192kHz DAC for precise playback of digital music files asynchronous USB technology for reduced timing jitter and better sound on USB input built-in high-performance headphone amplifier with front-panel volume control