Ultrasone NAOS Portable High-Definition DAC and Headphone Amplifier

Ultrasone NAOS Portable High-Definition DAC and Headphone Amplifier

Ultrasone NAOS Portable High-Definition DAC and Headphone Amplifier

Ultrasone NAOS Portable High-Definition DAC and Headphone Amplifier

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Product Highlights

  • D/A Converter with Headphone Amplifier
  • Compact, Lightweight (at 0.2 oz / 6g)
  • For Smartphones, Tablets, Computers
  • Optimized for Wide Range of Headphones
  • Up to 192 kHz / 24-Bit Audio Resolution
  • Frequency Response: 10 Hz to 30 kHz
  • Bus-Powered by Player
  • Includes Four Adapter Cables
  • Includes Carrying Case
  • iOS, Android, Mac OS, Windows
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This item is noncancelable and nonreturnable.

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Ultrasone NAOS overview

  • 1Description

Weighing as much as a credit card (at 0.2 oz), the compact Ultrasone NAOS combines a high-definition DAC with a built-in headphone amplifier to provide mobile music enthusiasts with a high-fidelity listening experience while on the go. Designed for listening to MP3 files, uncompressed CD-quality files, and high-resolution streaming services on smartphones, tablets, or computers, it delivers studio-quality audio at resolutions up to 192 kHz / 24-bit, with a 10 Hz to 30 kHz extended frequency response.

NAOS' built-in amplifier features a 3.5mm jack output and is optimized for operation with a wide range of headphones and active speakers. It can also be used upstream from a power amplifier. The unit comes with a set of four adapter cables for micro-USB, USB Type-A, USB Type-C, and Lightning connectors. The cables also serve to provide bus power from the player.

NAOS and the cables can be stored together in the included carrying case, ensuring that your converter and accessories remain safe and close at hand when traveling.

  • High-definition D/A conversion on the go—combines a high-quality D/A converter with a headphone amplifier
  • Listen to MP3 files, uncompressed CD-quality files, and high-resolution streaming services on smartphone, tablet, or computer, at audio resolutions up to 192 kHz / 24-bit
  • High-performance amplifier optimized for operation with a wide range of headphones, active speakers, or upstream from a power amplifier
  • Frequency response from 10 Hz to 30 kHz 
  • Lightweight (at 0.2 oz / 6g) and compact design—weights as much as a credit card
  • Compatible with iOS, Mac, Android (USB OTG function), and Windows (driver installation required)
  • Comes with adapter cables for devices equipped with micro-USB, USB Type-A, USB Type-C, and Lightning connectors
  • Bus-powered by player via adapter cable
  • Includes a carrying case for DAC and adapter cables
In the Box
Ultrasone NAOS Portable High-Definition DAC and Headphone Amplifier
  • Micro-USB Adapter Cable
  • USB Type-A Adapter Cable
  • USB Type-C Adapter Cable
  • Lightning Adapter Cable
  • Carrying Case
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Ultrasone NAOS specs

    Sampling Resolution Up to 192 kHz / 24-bit
    DAC AKM AK4430
    Frequency Response 10 Hz to 30 kHz
    Compatibility Smartphone (iOS, Android)
    Tablet, notebook/computer (Mac, Windows)
    Headphones: 16 to 300 Ohms impedance
    Output 1/8" / 3.5 mm, TRS mini-jack
    Output Power >90 mW (16 Ohms / 3.3 V input voltage)
    >200 mW (16 Ohms / 5 V input voltage)
    >40 mW (32 Ohms / 3.3 V input voltage)
    >100 mW (32 Ohms / 5 V input voltage)
    THD + N <0.01% at 1 kHz
    Output Impedance 0.73 Ohms
    Max Output Voltage 2.6 Vp-p
    Max Output Current 52.7 mA (16 Ohms/1 kHz)
    Power Bus-powered
    Dimensions 1.8 x 0.7 x 0.2" / 46 x 18 x 6 mm
    Weight 0.2 oz / 6.0 g
    Packaging Info
    Package Weight 0.18 lb
    Box Dimensions (LxWxH) 6.85 x 3.65 x 1.0"

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