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UDA-1/B Hi-Res USB DAC System for PC Audio - Black
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Sony UDA-1/B Hi-Res USB DAC System for PC Audio - Black

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Condition: Brand new, USA Warranty
Experience Hi-Res Audio in an easy solution with the USB DAC and Amplifier that connects to your PC, supports DSD and the full range of Hi-Res file formats and is compatible with any music player like iTunes, Windows Media player and more.

Sony UDA-1 USB DAC System for PC Audio

Experience Hi-Res audio like never before. The USB DAC and amplifier easily connect to your PC, and includes support for DSD and the full range of Hi-Res audio file formats.

Hi-Res formats supported

The UDA-1 can decode the following file formats: DSD (DSF,DSDIFF), PCM (44.1k/48k/88.sk/96k/176.4k/192kHz/24 bit); MP3, WAV, WMA, AAC, FLAC, ALAC, ATRAC, ATRAC ADVANCED LOSSLESS, AIFF.

Music Playback

Connect the UDA-1 to a PC via USB and use any music player like iTunes, Windows Media player, Media Go and more to enjoy the Hi-Res music experience.

Analog FIR Filters

This digital-to-analog converter effectively reduces high-frequency noise in DSD signals. It features independent right and left channels, with four analog FIR (Finite Impulse Response) filters per channel producing a combined one-clock delay. FIR filters are ideal for D/A conversion of DSD signals.

Digital Sound Enhancement Engine (DSEE)

When turned on, the DSEE offers natural sound with a spacious feel by restoring high frequency sound and the tail shape of the waveform likely to be removed through the audio compression process.


Take advantage of the UDA-1 enhanced music capabilities connecting to the units? USB (USB-A and USB-B), analog and digital inputs. The USB inputs are compatible with both iOS and Android devices. Inputs are also included for optical, coaxial and analog devices. An analog output and headphone jack are available as well.

Large bandwidth Class AB amplifier

With a twin mono format that eliminates left-right sound interference and 23W per channel, the Class AB analog amplifier delivers clear, high-quality sound reproduction with rich musicality.

Large Power Source Block Capacitor

This acoustically tuned, custom block capacitor features not only improved electrolytic solution and electrode foil magnification, but also superior case form, sleeve material and length. Only Sony utilizes this component, which is optimally tuned with chemical capacitor length and sleeve cut.

High-Rigidity Chassis structure

Its all-in-one compact size and sturdy 3mm-thick solid aluminum design extends from front panel to top panel.

One-point ground structure

Concentrating audio signal control points into a single point eliminates fluctuation of left- and right-channel, and contributes to dynamic sound.


  • LPCM (2CH/5.1CH/7.1CH) thru HDMI - Yes (2ch only)
  • Line Out - Yes (1)
  • Coaxial - Yes (1)
  • Analog Audio In - Yes (1 in)
  • Opt. In - Yes (1 in)
  • Other - USB (1 type A rear) PC In (1 USB DAC)
  • Headphone Out - Yes (1)
  • Pin Jack Color - Gold
  • Output Power (JEITA 10% 1kHz 4O) - 23W + 23W
  • (4Ohms 20-20kHz) THD - 10%
  • 4Ohms 20-20kHz - 23W + 23W
  • Amplifier Type - Analog
  • Power Requirements - 120V 60Hz
  • Power Consumption - 65W
  • Auto Standby - Yes
  • Number of Amp channels - 2
  • Speaker Impedance - 4-16ohm
  • Power Consumption (Stand By) - 0.3W
  • DSEE LED - Yes
  • Frequency Characteristics - 10Hz - 100KHz (+0dB, -3dB)
  • Detachable AC - Yes
  • Signal-to-Noise Ratio(A Network) (When all of EQ/Surround off) - 100dB
  • Tone Control - Tuned for SS-HA3
  • Speaker Terminal - Screw
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