The folder names displayed in the Start menu have been corrected.
There are no changes to functionality or performance.
Downloads
HP-A Series FOSTEX USB Audio Driver for Windows Download
Attention (Disclaimer)
All work on the customer’s PC is done at the customer’s own risk.
If the message “Digital signature cannot be confirmed” is displayed, please perform the following security update to your Windows OS.
Microsoft Security Advisory 3033929
https://technet.microsoft.com/ja-jp/library/security/3033929
We do not accept inquiries about Windows OS.
■■Please note that we cannot accept inquiries about Windows OS.
The “digital signature” method has been changed in Windows 10 (Anniversary Edition) or later, and installation may not be successful with older versions of the driver even if the above security update is performed. Please use version 2.2.1 or later.
Target Product：
HP-A8MK2 / HP-A8 / HP-A4BL / HP-A4
Version 2.2.1 Update Content
（2021/12/15 UP）
We have confirmed that it works on Windows 11.
Update November 13, 2017.
We have addressed the issue that the installation may be interrupted at the “Digital Signature” authentication screen during installation on Windows 10 (Anniversary Edition) or later.
The following issues have been addressed: ▪ An issue where some anti-virus software would be misclassified as software that may be infected with a virus due to false positives.
We have requested a specialized third-party organization to investigate the safety of the installer application and driver, and have confirmed that they can be used safely.
Although the safety of the software has been confirmed, it may be judged as a virus depending on the update of the anti-virus software or pattern files you are using. In such cases, please contact the manufacturer, distributor, or developer of the anti-virus software you are using.
The installer is now common for both Windows 32-bit and Windows 64-bit versions.
There are no changes in functions or performance.
summary
USB Audio 2.0 driver to run DAC & Headphone Amplifier HP-A8 series and HP-A4 series under Microsoft Windows.
Precautions for use
Please install the driver while the DAC is not connected to the PC. The PC may freeze.
When upgrading to a newer version, uninstall the previous version before installing the newer version.
Please be sure to reboot your PC after installation. The PC will not restart automatically after installation.
Please note that the driver to be installed differs between Windows 32-bit and Windows 64-bit versions.
Windows 10 is supported from Ver. 2.0.7 or later.
Windows 8 is supported from Ver. 2.0.3 or later.
Windows XP and VISTA are supported up to Ver. 2.0.3.
Windows Installer4.5 is required to install on Windows XP and Vista. If a warning message appears and installation fails, please download and install Windows Installer 4.5 from the Microsoft website.
Update History
2017/10/16
Version 2.2.0
*Missing number.
2016/9/12
Version 2.1.0
1/21/2016
Version 2.0.7
Support for HP-A4BL has been added.
Windows 8.1/10 is now supported.
WindowsXP/VISTA is not supported.
Information updated 7/1/2016
HP-A8MK2 has been added to the list of target products.
Nov. 28, 2013
Version 2.03
HP-A4 is now supported.
Windows 8.0 is now supported.
The name of HP-A8/HP-A4 can be displayed on the ASIO control panel, and the output destination can be changed when they are connected at the same time.
Jul. 17, 2013
Version 2.00
ASIO support for DSD file playback.
*DSD file playback requires a playback application that supports DSD file playback.
*Playback of DSD files from Windows on the HP-A8 requires that firmware V2.00 or later, which is currently available as a beta version (advanced development version), be installed on the HP-A8. Please note that the firmware is a beta version.
Mar. 21, 2013
Version 1.05
Improved stability.
Apr. 02, 2012
Version 1.04
・Fixed a problem that caused computer operation to stop when using Ver.1.02 and HP-A8 under certain conditions.
February 29, 2012
Version 1.02
First edition released.