Dr. DAC nano

High Quality USB DAC with optical S/PDIF output

Dr. DAC nano provides 2 output channels via both analog and a digital optical S/PDIF connection.

The analog output features a high quality DAC that works with up to 24-bit/96kHz. The digital output features an optical miniplug connector.

Dr. DAC nano works under Windows XP, Windows Vista, Windows 7, Windows 8.1, Windows 10 as well as Mac OS X even without the installation of any driver software - perfect Plug & Play! Plus, in addition, we offer an ASIO 2.0 compatible driver as option for Windows XP, Vista, 7, 8.1 and 10.

Device Type

  • digital to analog converter
  • USB audio interface
  • optical S/PDIF transmitter
  • headphone amplifier

Key Specifications and Features

  • S/PDIF optical output via 3.5mm mini plug optical transmitter
  • 16bit/24bit, 44.1kHz, 48kHz, 96kHz bit-perfect support
  • NON-PCM (Dolby Digital/dts) Pass Through support
  • AKM AK4421 192kHz 24-Bit Stereo DAC, 103dB dynamic range, analog playback support up to 24bit/96kHz from TE7022L I2S interface
  • Tenor TE7022L USB streaming audio controller with 12MHz USB Full Speed operation
  • Analog Devices AD8397 High Output Current Amplifier
  • 16 ohm ~ 300 ohm headphone driving capability
  • combo S/PDIF & analog output jack / up to 24bit/96kHz output capable
  • Standard USB audio driver in Windows XP, Windows Vista, Windows 7, Windows 8.1, Mac OS X
  • Max. 3 Vrms analog output level
  • National Semiconductor LM2663M Switched Capacitor Voltage Converter
  • Precision +-5ppm 12.000MHz TCXO for lowest clock jitter
  • Low ESR Tantal capacitor
  • High quality 4 Layer PCB
  • USB bus powered operation
  • 3.5mm Miniplug-Toslink optical converter included
  • dimensions: 60mm x 45mm x 17mm
  • ASIO 2.0 driver for Windows XP, Vista, 7, 8, 10 as optional download available




Reviews and Testimonials

Here are selected reviews of Dr. DAC nano:


Composer Natalie Oram of Rockbarn Media about Dr. DAC nano: "With simple 'plug & play' operation the Dr. DAC nano provides us with an effective quality audio playback from the MacBook and is an essential part of our mobile set-up enabling us to continue working seamlessly and effectively in or out of our studios."



HiFi-Forum.de user bearmann created a detailed Review of our Dr. DAC nano - here is a quote: "As far as I know, there is currently no real competitor" - here you can find the complete review in German.



The website Headfonia is hosting a review of Dr. DAC nano written by user Mike: "Compared to the uDAC, I find that the Dr. DAC nano was able to portray the music better, in that the soundstage is bigger, the music sounds more open, ambience more real, and overall a more 'real' sound." - check it here.


If you are interested in adding a review to this list, do not hesitate and contact us.