Fostex at Audio46

Fostex HP-A4 24bit Desktop USB Amp/DAC

desktop

Product SKU: HP-A4

 

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Product Details

(Specifications and appearance of this product are subject to change without notice)
↓ Details provided by Fostex

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

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