PS Audio Announce DirectStream Junior

Posted on 11th February, 2016

PS Audio DirectStream Junior



  • Unit Weight 8.1 kg
  • Unit Dimensions 36cm x 43cm x 6.98cm
  • Shipping Weight 12.25 kg
  • Shipping Dimensions 52cm x 61cm x 25cm

Power requirements

  • Input Power 230VAC 50Hz
  • Power Consumption 30W

Digital audio inputs

  • I²S, Coax, XLR Balanced, TOSLINK, USB, Ethernet

Sample Rates

  • I²S,S/PDIF, and USB—44.1kHz to 352.8kHz 16bit, 24bit, DSD 64, DSD 128
  • TOSLINK – 44.1kHz to 96kHz 16bit, 24bit

Analog Audio Output

  • Connector - RCA/XLR Unbalanced /Balanced (X2)
  • Output level, low    1.41 Vrms(+5BV)/3.15
  • Output level high, maximum    2.81 Vrms (+8dBV)/5.3 Vrms (+12dBV)
  • Output Impedance    100Ω/200Ω
  • Frequency Response    20-20KHz +/- 0.25dB
  • THD+N @ 1KHz (full scale)    <0.03%
  • Output Stage - Active high current, high speed analog amps producing double rate DSD.

Data Handling

  • Format - PCM or DSD
  • Sample rate (PCM)    44.1kHz, 48.0kHz, 88.2kHz, 96.0kHz, 176.4kHz, 192kHz, 352.8kHz
  • Word length (PCM)    16b, 18b, 20b, 24b
  • Data rate (DSD)    Standard (2.8MHz) or Double (5.6MHz) DoP on all inputs as well as raw DSD on I²S inputs
  • Input jitter reduction    Effectively 100%, residual immeasurable. No input PLLs, FLLs.
  • Input Processing    170MHz
  • Signal Processing    50MHz
  • Synchronous Upsampling, all inputs    28.224MHz
  • Digital Processing S/N ration    >146 dB
  • Digital Volume Control    Zero loss of precision
  • Analog Conversion method    Delta Sigma (DSD) Single-bit double rate

I²S Digital Input

  • Connector    HDMI
  • Format    PCM or DSD. DoP on all inputs as well as raw DSD on I²S inputs

USB Digital Input

  • Connector    USB “B” Type
  • Format    PCM or DoP v1.1 (DSD over PCM)
  • Transfer mode    Asynchronous

PS Audio is available from Specialist Retailers.

Marc Rushton's avatar

Marc Rushton

English born but now residing down under, StereoNET’s Founder is still buried deep in the review room auditioning everything from docks to soundbars, amplifiers and headphones. Marc is also the founder of the International Hi-Fi Show.

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Posted in: Hi-Fi
Tags: ps audio  directstream  dac  magenta audio