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 Aussie Hi Fi, Trusted by 40,000+ Customers

Fostex - HP-A4 - USB DAC & Headphone Amplifier

HP-A4 24 bit DAC Headphone AmplifierModel 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...
$549.00

HP-A4 24 bit DAC Headphone Amplifier

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.

USB Driver for Windows (V.2.1.0)

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. Please be sure to uninstall the old driver software before installing this software.

You can download the Windows driver here

Windows and Mac OS Compatibility

We confirmed the compatibility with Windows XP*(SP2 or later) / Vista / 7 / 8 / 8.1 / 10 and Mac OS X(10.6 or later).

* Not compliant to XP 64bit.

Fostex DAC performance with the latest MAC OS 10.12 Sierra is under verifying. Until the review is complete, we don't recommend that you update your Mac to MAC OS 10.12 Sierra at this stage.

In Detail

Images

Specs

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In Detail

USB buss powered operation without AC adapter

Linear PCM audio up to 24 bit/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 (10 dB) 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

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