Adopting ESS9018K2M decoding chip, with higher resolution to reproduce real live music.
CM6642 USB chip to get higher decoding ability, supporting 24Bit / 44.1-192KHz transmission.
OPA2134+NE5532 op amp, with low distortion, low noise, high precision and large dynamic range.
TPA6120A2 headphone amp chip and with protection circuit, with low distortion and strong drive power enough to drive 16-300 ohm headphones.