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Audioengine D3 24-Bit USB Digital to Analog Converter

B&H # AUD3 MFR # D3
Audioengine D3 24-Bit USB Digital to Analog Converter

Audioengine D3 24-Bit USB Digital to Analog Converter In Use View Included Box View

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Product Highlights

  • USB Bus Powered Thumb Drive DAC
  • Up to 24-bit 96 kHz Audio Resolution
  • Built-In Headphone Amplifier
  • Drives Low Impedance Headphones
  • Dual Clock Asynchronous Data Transfer
  • Plug and Play, No Drivers Required
  • Indicator Light Above 48 kHz Resolution
  • Computer OS Volume Control
  • Metal Injection Molded Aluminum Case
  • Compatible with Mac and PC
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The Audioengine D3 24-Bit Digital to Analog Converter is a plug and play USB thumb drive digital to analog converter intended for portable hi-fi listening. No drivers are required. The converter is based on the AK4396 DAC and housed within a metal injection molded aluminum case. It includes a headphone amplifier based on the LME49726 low-noise op-amp, and the volume can be controlled from your Mac or PC operating system.

The unit can read data off the computer at up to 192,000 samples per second and can resample for conversion at up to 24-bit 96 kHz resolution. A built-in LED glows blue whenever the sample rate is set to over 48 kHz. To minimize the effects of jitter, the unit utilizes two master clocks for asynchronous timing of data transfer and D/A conversion. The power supply within the USB converter features two stages of regulation to minimize the effects of bus power variations on the audio quality.

Internal Converter
Utilizes AK4396 DAC chip to deliver high signal-to-noise ratio low distortion conversion at up to 24-bit 192 kHz resolution
Headphone Amplifier
Utilizes LME49726 low-noise opamp and 2V output to drive headphones with impedances as low as 12 Ω
Draws power directly from the USB bus on your computer and utilizes two stages of redundant power regulation for better noise, ripple, isolation, and thermal performance
Volume Control
Uses the computer's operating system to digitally control volume
UPC: 819955270082
Full-Scale Output 2.0 V RMS
Frequency Response 10 to 25,000 Hz (± 0.5 dB)
SNR DC to 20,000 Hz: 110 dB
THD + N <0.002%
Crosstalk -110 dB
USB Transfer Rates Supported Asynchronous (dual clock)
USB Device Support Type 1.1 or above
Input USB audio
Input Bit Depth Up to 24 bits (up-sampled)
Input Data Rate Up to 192,000 samples per second (96,000 samples per second native)
192 kHz files are down-sampled to 96 kHz at conversion stage
Output Analog audio mini-jack
Output Impedance 10 Ω
Headphone Impedance 12 to 10,000 Ω
Headphone Amplifier LME49726
D/A Converter AKM4396
Controller USB: TI1020B
Power Requirement USB 5 VDC at 200 mA
USB Power Filtering 2-stage redundant regulation
Operating Temperature 32 to 95° F (0 to 35° C)
Non-Operating Temperature -4 to 113° F (-20 to 45° C)
Relative Humidity 5 to 95% non-condensing
Dimensions 0.74 x 0.47 x 0.23" (19 x 12 x 6.0 mm)
Weight 0.5 lb (0.2 kg)
Packaging Info
Package Weight 0.4 lb
Box Dimensions (LxWxH) 7.5 x 5.5 x 1.4"
Audioengine D3 24-Bit USB Digital to Analog Converter
  • Carrying Case
  • 1/4" Headphone Adapter Cable
  • Limited 3-Year Warranty
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