The AB13X is not a professional ASIO driver, but you can achieve ~10ms latency by:
Look inside > Optional Updates to see if an AppoTech or audio driver update is listed. Download and install the package, then restart your PC. Method 2: Manual Update via Device Manager
The open-source “USBAudio_AB13X” project offers a modified INF file that unlocks 24-bit/192kHz support. Ensure you read the troubleshooting section.
Uninstall the old driver first via Device Manager, then run the new setup as admin. Took 2 minutes. ab13x usb audio driver upd
and rely on native USB Audio Class (UAC) drivers already built into modern operating systems Windows Update Connect your adapter. Settings > Windows Update Check for updates
: Standardly limited to 16-bit / 48kHz or 44.1kHz. While some marketing may claim "Hi-Res," the hardware often caps at these entry-level digital audio standards.
For Windows 10 and 11, the most reliable way to fix AB13X driver problems is by letting Windows handle the update process. Use these two methods to ensure the correct drivers are installed. The AB13X is not a professional ASIO driver,
Prevents Blue Screen of Death (BSOD) errors tied to driver conflicts in portcls.sys or usbaudio.sys .
The term refers to the process of updating the software driver that allows your operating system (Windows, Linux, or macOS) to communicate with this specific chipset. An outdated or corrupted driver can lead to crackling sound, microphone failure, blue screen errors, or the device not being recognized at all.
: Windows displays a yellow exclamation mark next to the item in Device Manager. Ensure you read the troubleshooting section
October 2024 Tested on: Windows 11 23H2, Windows 10 22H2, Windows Server 2022.
When the Windows shared-mode audio format conflicts with the hardware's native resolution, the driver can crash.
Right-click your current AB13X or generic "USB Audio Device" entry. Select .
