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

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

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Headphone Amps / DAC

HP-A3 : 32bit D/A Converter