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Fostex HP-A4 24-Bit DAC Headphone Amplifier
Fostex HP-A4 24-Bit DAC Headphone Amplifier

Fostex HP-A4 24-Bit DAC Headphone Amplifier

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SoundPro Item: 90007
MSRP: $499.99
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Fostex’s Model HP-A4 offers up to DSD 5.6MHz and PCM 192kHz for superior audio playback functionality as well as a sophisticated appearance.

Fostex HP-A4 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
  • HP-A4 24-bit DAC headphone amplifier1
  • USB cable1
  • Rubber feet4
  • 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: Format S/PDIF (16bit/24bit: 44.1 - 192kHz)
  • MicroSD Card SlotmicroSD card (SDHC)
  • PowerUSB buss powered
  • Power Consumption2.5W
  • Dimensions (WxHxD)4.45" x 1.34" x 6.1"
  • Weight17.64 oz

In The Box

Customer Reviews