D2 Specifications

D/A Converter IC: ESS Technology ES9018 Sabre Reference 32-bit DAC
Sample Rates: 44.1K-192KHz
Total Harmonic Distortion + Noise: 0.0003% @ 1KHz, 0dBFS
0.0003% @ 20KHz, 0dBFS
Intermodulation Distortion: 0.00015% @ 19KHz + 20KHz 0 dBFS
2nd order IMD
Signal-to-Noise Ratio: 123 dB, 20-20KHz BW, 2 Vrms (unbalanced)
125 dB, A-weighted, 2 Vrms (unbalanced)
126 dB, 20-20KHz BW, 4 Vrms (balanced)
128 dB, A-weighted, 4 Vrms (balanced)
DAC Master Clock Jitter: 0.5 ps rms
Total Jitter at DAC Output: Read more . . .
Frequency Response: 20 Hz - 20 KHz (-0.15dB)
Phase: Non-inverting
Channel Separation: 140 dB @ 1KHz
135 dB @ 20KHz
Digital Inputs: USB, SPDIF 75-ohm BNC, SPDIF 75-ohm RCA, Toslink optical
Digital Input Resolution and Sample Rate: USB: 24 bits, 44.1K, 48K, 88.2K, 96K, 176.4K, 192KHz
SPDIF 75-ohm BNC: 24 bits, 44.1K, 48K, 88.2K, 96K, 176.4K, 192KHz
SPDIF 75-ohm RCA: 24 bits, 44.1K, 48K, 88.2K, 96K, 176.4K, 192KHz
Tosllink Optical: 24 bits, 44.1K, 48K, 88.2K, 96KHz
Digital Volume Control Steps: 0.5 dB
Volume Matching between Channels: Better than 0.1 dB
Line Outputs: Unbalanced: RCA jacks with gold-plated contacts and Teflon dielectric
Balanced: Shielded Neutrik XLR connectors
Line Output Level: 2.0 Vrms (unbalanced)
4.0 Vrms (balanced)
Line Output Impedance: 75 ohms (unbalanced)
80 ohms (balanced)
Line Output Offset: 3 mV max
Headphone Amp Maximum Output Voltage: 4.0 Vrms (default)
5.3 Vrms (high-gain, set with internal jumpers)
Headphone Amp Maximum Output Power
(default setting):
530 mW into 30 ohms
260 mW into 62 ohms
53 mW into 300 ohms
How much power is enough?
Headphone Amp Maximum Output Power
(high-gain, set with internal jumpers):
830 mW into 30 ohms
460 mW into 62 ohms
95 mW into 300 ohms
Headphone Amp Current Output: 250 mA peak
Headphone Amp THD+N: 0.0004%, 4Vrms into 30ohms
Headphone Amp Intermodulation Distortion: 0.0002% @ 19KHz + 20KHz, 4Vrms into 30ohms
Headphone Amp Output Impedance: 0.035 ohm, 20-20KHz
Headphone Jack: 1/4" TRS, gold-plated
USB Streaming Mode: Asynchronous
USB Clocks: Two Independent Low-Jitter Master Clocks
USB Processor: XMOS 500 MHz real-time processor
USB Audio Operating System Requirement: Windows 8, 7, Vista, XP
Linux [NEW]
Apple Mac OS X
USB Audio Driver: Thesycon driver for Windows
No driver installation for Linux or Apple OS X
Galvanic Isolation: All digital inputs, using ultra high-speed transformers
Power Consumption: 7 W
Dimensions (W x H x D): 9.0 x 2.8 x 10.7 inches (230 x 71 x 272 mm)
Weight: 4.6 lbs (2.1 Kg)