Digital Inputs

1 x USB
Standard: USB 2.0 Audio Class
frequencies: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, DSD64, DSD128, DSD256 Ready
Resolution: 16 to 32 bits

1x Toslink™:
Sampling frequencies: 44.1, 48, 88.2, 96 (176.4 and DSD64 DoP with high efficiency transmitters)
Resolution: 16 to 24 bits

1 x Bluetooth™ Receiver
Standard: BT 3.0
Profiles: A2DP, SSP (HID supported with Android smartphones through SPP)
Sampling frequencies: 44.1kHz, 48kHz
Resolution: 16 bits

Digital Output

1x S/PDIF
Output voltage: 0.5Vpp on 75 Ohms

Transport
    8829CD-KHM DVD-Loader , Only audio CD

Display
    128 X 64 White OLED graphic display

Digital to Audio stage

DAC: ESS Sabre ES9018K2M with jitter eliminator
SNR: 125dB (0dBFS, 1kHz, 192kHz, “A” weighted)
THD+N: 0.0003% (0dBFS, 1kHZ, 20Hz-20kHZ)
Timing: low phase noise, high precision crystal
oscillators

IV converter:
NE5532AD high-performance, very low noise, use high-quality components like wima capacitor and wishay resistor