Fostex HP-A4 Premium 2-Channel Headphone Amp And D/A Converter

HP-A4 – Overview

• Features:

  • USB buss powered operation without AC adapter
  • Linear PCM audio up to 24bit/192kHz and DSD audio up to 5.6MHz playback*
  • Quick and easy hi-resolution playback in combination with “FOSTEX Audio Player” software
  • HI/LO Gain selection (10dB) for wider range of headphones
  • Asynchronous transfer mode by using the custom made crystal
  • Digital Filter selecting Roll-off characteristics and Cut-off characteristics according to the audio source
  • Complies with USB Audio Class 2.0 on Windows XP (SP2 or later) / Vista / 7 / 8 and MacOS X 10.6 or later. **
  • MicroSD (SDHC) card drive on the rear panel for future firmware update.***
  • * Requires a DSD playback software on PC such as the upcoming “FOSTEX Audio Player”. Both DoP and ASIO acceptable.
  • ** Requires the dedicated driver for Windows. Not compatible with Windows XP 64bit.
  • *** Does not playback audio data stored on a microSD card
   

• Specifications:

  • Input
  • USB port: Sampling frequency up to 24bit/192kHz(PCM), 5.6MHz(DSD)
  • Interface: USB high speed
  • Digital Connector: Optical, square
  • Format: S/PDIF (16bit/24bit: 44.1 – 192kHz)

    Output

  • Phones Connector: Stereo phone
  • Max Output: 100mW (32-ohm loaded)
  • THD: Less than 0.04% at 1kHz, 32-ohm loaded, 100mW
  • Frequency response: 20Hz – 80kHz +/-3dB (1kHz, 32ohm loaded, 100mW, FS 192kHz)
  • Analog Connector: RCA Pin
  • Reference output level 2Vrms
  • THD: Less than 0.01% at 1kHz
  • Frequency response: 20Hz – 80kHz +-3dB (at FS 192kHz)
  • Digital Connector: Optical, square
  • Format: S/PDIF (16bit/24bit: 44.1 – 192kHz)
   

• Item Includes:

  • 1 x USB cable (1.0m)
  • 4 x rubber feet
  • Manual
   

• GTIN:

  0636827304221