DAC type
USB and Optical
Audioengine D1 Driver Mac
Inputs
USB audio
SPDIF Optical
I own a D1 and I've got an O2+ODAC on its way. I'm just a beginner here and I'm trying experiment a bit, so I'll soon be able to test them side to side. Don't expect a technical report though. I'm just not capable of that. I'll just be able to report if I hear any audible difference. The D1 reflects traditional Audioengine design and the audio fidelity is typical of Audioengine’s commitment to great sound at an affordable price. This premium 24-bit DAC (digital-to-analog converter) allows you to bypass your computer’s sound card or headphone output and send audio through USB or optical. Add the Audioengine D1 DAC to your system, though, and you'll enjoy dramatically better sound. You can even get the most out of high-res 24/96 music files! The D1 is compatible with both Mac and PC, and requires no drivers; simply connect it to your computer using the included USB cord and you're ready to go.
D/A converter
AKM4396
USB transfer mode
Asynchronous dual clock
USB controller
TI1020B
USB device class
Type 1.1 or above
Input bit depth
16 bit, 24 bit
Input sample rate (USB)
32kHz-96kHz native playback
188.2kHz & 192kHz re-sampled to 96kHz
Input sample rate (optical)
32kHz-192kHz native playback
Outputs
Analog RCA L/R stereo
Analog 3.5mm mini-jack stereo
Full-scale output level
2.0V RMS
Output impedance
2 ohms
Recommended headphone impedance range
10 ohms to 10K ohms Sports obermeyer case study.
Headphone amplifier
OPA2134
Optical receiver
CS8416
Frequency response
10Hz-25KHz (+/- 0.5dB)
SNR
(DC to 20 kHz) >110dB
THD+N
(1kHz FS 96kS/s) <0.0025% Crosstalk
-85db
Input bit depth
16 bit, 24 bit
Input sample rate (USB)
32kHz-96kHz native playback
188.2kHz & 192kHz re-sampled to 96kHz
Input sample rate (optical)
32kHz-192kHz native playback
Power requirement
USB 5V DC, 200mA
Tacoma camper shell. USB power filtering
2-stage redundant regulation
Product dimensions
3.5×3.75×1″ (89x95x25mm)
Audioengine D1 Drivers For Mac Windows 7
Shipping weight
1.0lbs (0.5kg)
Environmental
Operating Temperature: 32 to 95 degrees F
Non-operating Temp: -4 to 113 degrees F
Relative Humidity: 5% to 95% non-condensing
Audioengine D1 Drivers For Macbook Pro
Included accessories
USB cable, 2ft
Setup guide
Microfiber bag
D1 Internal Converter
The D1 uses the AK4396 DAC, which is well-regarded for its low noise and high fidelity. Due to the high signal-to-noise specs of the AK4396 and the added benefit of double redundancy power source conversion and filtering, the D1 presents impressive low noise and low distortion characteristics. The D1 can process digital audio at any bit depth up to 24-bits and any sample rate up to 192kHz.
D1 Headphone Amplifier
The D1 includes a headphone amp based on the TI OPA2134 low noise opamp. The high-performance headphone output was designed for a wide range of headphones and will satisfy even the most demanding headphone enthusiasts.
D1 Power
The D1 is powered directly from the USB bus and power is passed through two stages of regulation to ensure no USB bus power variations affect the audio quality.
D1 Volume Control
Volume is controlled directly from the D1 front panel via the digitally-controlled analog potentiometer.
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