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Ultrasone presenta il suo primo DAC per cuffie. Grazie al design ultracompatto, NAOS è il partner ideale per smartphone, tablet e notebook, grazie alla connettività micro USB, USB-C, Lightning e USB-A può essere collegato a qualunque dispositivo. La conversione fino a 24Bit/192kHz e la potenza di amplificazione fanno di questo piccolo accessorio l’upgrade ideale per tutti gli amanti della musica che non vogliono rinunciare alla qualità sonora, neanche fuori casa

Ultra-compact converter for on the go

NAOS is ULTRASONE’s extraordinarily compact high-quality converter and amplifier for smartphones, tablets and notebooks.
Have you ever been irritated because you were unable to experience your favourite music on your smartphone in the sound quality you wanted? With NAOS, ULTRASONE is ending this annoyance. The conversion and amplification of headphone signals will no longer be undertaken by components in smartphones and tablets, which are often very cheap, but instead by a high-quality device: NAOS. When used with award-winning ULTRASONE headphones, it gives you the excellent sound you expect, even when mobile.

Good sound really can be this compact
NAOS’s dimensions are extraordinary: 46 millimetres long, 18 millimetres wide and 6 millimetres deep – smaller than a match box! Weighing just 6 grams, NAOS is hardly noticeable. In contrast, its audio properties make it clearly noticeable, as it combines a high-quality digital to analogue converter with a headphone amplifier of the best possible quality and turns mobile music consumption into a special treat.

Hi-res in your pocket
The DAC in the NAOS allows source material to be converted up to a resolution of 192 kHz and a word width of 24 bits. In this way, not only do MP3 files and uncompressed signals in CD-quality benefit from the NAOS’s precise conversion, but high-resolution streaming services can also be played in all of their glory. The NAOS enables lossless enjoyment and studio-quality music on a smartphone.

High-performance amplification
After conversion, the now-analogue signal runs through a high-performance amplifier that is optimised for operation with a wide range of headphones. Whether a circumaural full-size model or small in-ear headphones, the NAOS will produce an optimal signal at the 3.5mm jack output. A headphone amplifier with the weight of a credit card! Of course, the NAOS can also be used with active speakers or upstream from a power amplifier, to use the high-quality converted signal as a source for speaker playback.

Connected to everything
In addition to the sound quality of its components, NAOS will also impress with its extensive connectivity. Whether mobile or stationary, NAOS works with smartphones, tablets, notebooks and desktop computers. To this end, it comes with cables for micro USB, USB C, Lightning and USB A. NAOS uses the connection not only to transfer data, but the compact DAC also draws its power using the same cable, so no additional power supply is necessary. NAOS works with iOS, Mac OS, Android (USB OTG function) and Windows (driver installation). Laptop, smartphone, desktop PC or tablet – NAOS is always a match.

Protective transport
NAOS and the corresponding cables for micro-USB, USB-A, USB-C and Lightning connections can be stored together in the elegant carrying case. This way, nothing gets lost and both the converter and accessories are always close at hand.

  • Compatibility: Smartphone (iOS, Android), Tablet, Notebook/Computer (Mac OS, Windows)
  • Dimensions: 46 mm x 18 mm x 6 mm
  • Audio Input: Micro USB
  • Headphone Output: 3,5 mm Stereo TRS
  • Frequency Range: 10 Hz - 30 kHz
  • Drive ability: 16 - 300 ohm
  • Sample Rate (USB Decoding): max. 192 kHz /24 bit
  • Out Power 1: > 90 mW (16 ohm / 3.3 V input voltage)
  • Out Power 2: > 200 mW (16 ohm / 5 V input voltage)
  • Out Power 3: > 40 mW (32 ohm / 3.3 V input voltage)
  • Out Power 4: > 100 mW (32 ohm / 5 V input voltage)
  • THD+N: < 0.01% (1 kHz)
  • Output Impredance: 0.73 ohm
  • SNR: 110 dB (3.3 V input voltage)
  • Status LED: Green
  • Max. Output Voltage: 2.6 Vp-p
  • Max. Output Current: 52.7mA (16 ohm/ 1 kHz)
  • DAC Chip: AKM AK4430
  • weight: 6 g

*On some rare occasions OTG capable Android phones may not work with NAOS. This is due to the individual software programming of each Mobile phone manufacturer. This might happen to Android phones first time introduced by end of 2015 or earlier. One solution for this issue  might  be loading a 3rd party Player (e.g. USB audio……..) this might help to run music on the NAOS.



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