ASIO4ALL

2.15 Audio driver wrapper app for Windows

Felix Cheng

Free universal ASIO driver for WDM audio, often used by professionals to reduce latency in digital audio apps.

Freeware ASIO driver software download, reviewed by Felix Cheng
Manage WDM audio devices on older versions of Windows - Screenshot of ASIO4ALL
Utility for sound on a PC - Screenshot of ASIO4ALL
A Free Universal ASIO Driver That You Use With WDM Audio - Screenshot of ASIO4ALL
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Control WDM audio drivers on older versions of Windows with a universal ASIO-based driver independent of manufacturers.

ASIO4ALL is a free and alternative audio driver which allows its users to get very low latency from their sound adapter.

While most sound cards on the market allow you to playback audio without issue, ASIO4ALL provides a free alternative if you're having issues running software which increases latency on sound output.

It's a generic WDM driver that can be used in various situations, especially when you're using an older audio device or running an older version of Windows which doesn't include support for your audio driver.

ASIO4ALL is ideal for MIDI devices and provides installation without problems and requires no special knowledge or settings. Installation is pretty quick and straightforward. When you start ASIO4ALL, it will appear in the system tray where it can be accessed to manage the driver. Different options include latency in/out compensation, buffer offset and resample audio between 44.1kHz and 48kHz.

The WDM device list has controls for output and input including mix capture, speaker output, etc.

Overall, a great alternative for people experiencing issues when working with audio mixing and creation projects.

Features of ASIO4ALL

  • ASIO: Access low-level audio functions with ASIO protocol.
  • Compact: Lightweight and occupies minimal system resources.
  • Customizable: Adjust settings to suit individual needs.
  • Efficient: Minimizes CPU usage for optimal system performance.
  • Flexible: Works with a variety of audio formats.
  • High-performance: Stable audio streaming even with heavy loads.
  • Intuitive: Easy-to-use interface for quick setup.
  • Low-latency: Eliminates audio-related performance issues.
  • Multi-channel: Supports up to 16 channels of audio I/O.
  • Multi-client: Allows multiple applications to access audio device simultaneously.
  • Reliable: Maintains a constant connection to audio device.
  • Scalable: Supports multiple audio devices.
  • Stable: Smooth audio streaming with no dropouts.
  • Universal: Compatible with a wide range of audio hardware.

Compatibility and License

ASIO4ALL is provided under a freeware license on Windows from drivers with no restrictions on usage. Download and installation of this PC software is free and 2.15 is the latest version last time we checked.

What version of Windows can ASIO4ALL run on?

ASIO4ALL can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It's only available as a 64-bit download.


Filed under:
  1. ASIO4ALL Download
  2. Free Drivers
  3. ASIO Driver Software
ASIO4ALL has been picked by our editors as very good.
ASIO4ALL has been tested for viruses and malware.
We have tested ASIO4ALL 2.15 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.