D2    24bit/96kHz S/PDIF & 16bit/48kHz USB DAC with built-in Headphone amplifier

Analog AD1852 DAC
TI DIR9001 receiver
TI PCM2704 USB receiver
TI OPA2134 Operational Amplifier
Analog OP275 Operational Amplifier

HIFI Electronic Components:
ALPS Potentiometer
KOA Resistance
nichicon FW Capacitance
nichicon MUSE ES Capacitance
EPCOS Capacitance
Panasonic Relay
TOSHIBA Transistor

  User's manual download
Analog input 1 x RCA (L channel and R channel)
Digital input USB + S/PDIF(Optical) + S/PDIF(RCA)
Headphone output 6.35mm, (Volume controllable)
Analog output 1 x RCA (L & R), (Volume not controllable)
Maximum sample bit of DAC 24bit
Maximum sample rate of DAC 96kHz
Net weight Approx 645g (unit only)
Dimensions Approx 20CM x 11.5CM x 5CM

1 x D2
1 x AC 100V-240V input, DC15V1A output adapter
(CE, FCC, PSE, UL certified)
1 x 6.35 to 3.5 headphone adapter
1 x USB cable
1 x user's manual

Headphone amplifier:
Suitable Headphone Impedance 16-300Ω
Maximum output power 80mW (RL=32Ω, THD+N=1%)
Maximum output voltage swing 12.7Vpp
Minimum THD+N 0.0018% (RL=32Ω, Pout=50mW)
THD+N(@1kHz) 0.0068% (RL=32Ω, Pout=50mW)
Frequency response 20-20kHz±0.04dB
Input sensitivity 750mVrms
Noise <30μV
Gain(@1kHz) 15.6dB
SNR 105dB
Maximum output voltage swing 1.9Vrms@1kHz
Minimum THD+N 0.0004% (48kHz sampling rate)
THD+N(@1kHz) 0.0010% (48kHz sampling rate)
Dynamic range 114dB (48kHz sampling rate)
Frequency response 20-20kHz±0.04dB
Noise <6μV
SNR 114dB
Maximum sample bit of USB 16bit
Maximum sample rate of USB 48kHz
Maximum sample bit of S/PDIF 24bit
Maximum sample rate of S/PDIF 96kHz