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

Regular price $499.99 $399.99

Product SKU: HP-A4

Product Details

      24bit DAC headphone amplifier
  • Offers up to DSD 5.6MHz and PCM 192 kHz for superior audio playback functionality
  • Quick and easy hi-resolution playback in combination with Fostex Audio Player software
  • Hi/Lo gain selection (10 dB) for wider range of headphones
  • Asynchronous transfer mode

* This item is noncancelable and nonreturnable

Fostex HP-A4 24-Bit DAC / Headphone Amplifier

The Fostex HP-A4 24-Bit DAC / Headphone Amplifier is the, improved version of the acclaimed HP-A3. It supports PCM audio up to 24-bit/192 kHz and DSD audio up to 5.6MHz for superior playback functionality. Dedicated USB driver software is necessary to install on PC for Windows. Mac OS (10.6.1 or later) works with its own USB driver. HP-A4 operates on USB bus power and features a front-panel 1/4-inch stereo headphone output, rear-panel stereo RCA outputs, and optical S/PDIF I/O. The HP-A4 has 2 gain staging levels, allowing you to boost the output of the amp by 10 dB without needing to touch the volume knob. HP-A4 offers quick and easy hi-resolution playback in combination with Fostex Audio Player software. Additional features include Hi/Lo gain selection (10 dB) for wider range of headphones, asynchronous transfer mode, and digital filter with selectable roll-off and cut-off characteristics. Founded in 1973, Fostex is an acclaimed manufacturer of location sound, multi-track recording, and speaker products.

  • 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.***

Fostex HP-A4 24-Bit DAC / Headphone Amplifier 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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