More on Amazon.com : http://www.amazon.com/gp/product/B00IK2IKHU?tag=purrfectcatdi-20 <br /> <br />Fostex HP-A4 24-Bit Digital to Analog Converter/Headphone Amplifier <br /> <br />24bit DAC headphone amplifier <br />Offers up to DSD 56MHz and PCM 192 kHz for superior audio playback functionality <br />Quick and easy hi-resolution playback in combination with Fostex Audio Player software <br />HiLo gain selection 10 dB for wider range of headphones <br />Asynchronous transfer mode
