HP-A3

32bit D/A Converter

Main Features

  • 32bit D/A Converter
  • USB Bus power without using unwanted AC adapter
  • Works with up to 24bit/96kHz audio source
  • High quality analog headphone amp to drive any type of headphones
  • Equipped with high-grade AKM 32bit DAC AK4390

HP-A3 32bit D/A Converter

The new Fostex HP-A3 is the perfect DAC for Computer Audio. This high quality unit features 32bit D/A Conversion with an integrated headphone amplifier exclusively designed to get the most from and PC audio set-up.

Why settle for 'built-in' D/A conversion when you can drastically improve the quality of your audio with a Fostex HP-A3?

USB Cables
Now available, new ET-U1.0 and ET-U0.5 USB constructed using OCF Ag coated annealed copper wire. Click here for more information

In Detail

  • USB Bus power without using unwanted AC adapter
  • Works with up to 24bit/96kHz audio source
  • Exclusive PLL power supply is built in to reproduce the stable electrical supply
  • High quality analog headphone amp to drive any type of headphones
  • Equipped with hgih-grade AKM 32bit(*) DAC AK4390
  • Condensers and OP amp designed exclusively for audio products
  • USB / Digital (Optical) input selector
  • Headphones / RCA (Analog) output selector
  • Doubles as D/D converter from USB digital audio to Optical
  • An USB/AC adapter from the shelf can be used for use as an Optical / Analog converter

Note: When using the USB input, the sampling frequency is fixed at 96kHz.  Audio file with Fs 32k/44.1k/48kHz will be reproduced by upsampling to 96kHz and the S/PDIF Out is also fixed at 96kHz.

Specifications

Input
USB port sampling frequency 16bit-24bit/96kHz
Interface: USB full speed
Digital Connector: optical, square
Format: S/PDIF (32kHz – 96kHz)

Output
Phones Connector: Stereo phone
Max Output: 100mW (32-ohm loaded)
THD: less than 0.01% at 1kHz, 32-ohm loaded, 100mW
Frequency response: 20Hz / 20kHz +-0.3dB (32ohm loaded, 100mW)
Analog Connector: RCA Pin
Reference output level -10dBV
THD: less than 0.01% at 1kHz
Frequency response: 20Hz / 20kHz +-0.3dB
Digital Connector: Optical, square
Format S/PDIF (32kHz – 96kHz)

General
Power: DC5V (via USB port)
Power Consumption: 2.5W
Accessories: 1 x USB cable (1.0m), 4 x rubber foot, manual
Dimensions: 108mm(W) x 36mm(H) x 140mm(D)
Weight: approx. 450g

Document Downloads

The following documents are available to download in Adobe Acrobat format.

    Owners Manual

    Declaration of Conformity

For more document downloads, check the manuals section in Technical Support

Recommended Music Download Sites

Headphone Amps / DAC

HP-A3 : 32bit D/A Converter

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