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Fostex HP-A4 24-bit USB DAC headphone amplifier

HP-A4

Fostex

Moon Audio

Amplifiers,Fostex,Amps, DACs & Gear,Headphones,Mobile,Earphones, Earbuds,Portable,$499 & Less Holiday Headphone HiFi Gifts,

$349.99
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*NEW* Fostex HP-A4 amplifier plus dac for use with computers.


The HP-A4 takes optical, RCA, and self powered USB.  It also supports DSD up to 5.6MHz & PCM up to 24/192.  


Fostex Model HP-A4 is a new, improved version of the acclaimed HP-A3 amp/dac. The HP-A4 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.


Key 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 Filer 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.***



Description

Details

 The Main Features of the new Fostex HP-A4 headphone amp/dac are:

  • 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

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Features

Additional Info

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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