The DAC1 USB (USB DAC) is a reference-quality, 2-channel 192-kHz 24-bit digital-to-analog audio converter featuring Benchmark's Advanced USB Audio™ technology, UltraLock™ clock system, and HPA2™ headphone amplifier.
THE DAC1 HDR has an analog stereo input, which means that it could be connected to a phono preamp and use the HPA2 as standalone headphone amplifier right? I have the DAC1 (without analog stereo input). The HPA2 is such a great headphone amp! I would like to use the HPA2 to listen to some vinyl .