Fostex

Fostex HP-A4 24bit USB Amp/DAC

Product SKU: HP-A4

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$399.99 Regular price $499.99 Save $100.00 (20% OFF)

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Product Details from the Brand

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Main Features

  • USB buss powered operation
  • 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

Model HP-A4 is a new, improved version of the acclaimed HP-A3. It offers up to DSD 5.6MHz and PCM 192kHz for superior audio playback functionality as well as the sophisticated and class-leading appearance of the flagship HP-A8C.

In Detail

  • 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)

General
MicroSD card slot:    microSD card (SDHC)
    Power:    USB buss powered
    Power Consumption:    2.5W
    Accessories:    1 x USB cable (1.0m), 4 x rubber foot, manual
    Dimensions:    113mm(W) x 34mm(H) x 155mm(D)
        excluding protruded parts
    Weight:    approx. 500g

Product Reviews

Fostex HP-A4 24bit USB Amp/DAC

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