The Soundcraft Multichannel USB Audio Driver V3.20 is the essential software required for Windows users to enable multi-track recording and playback with Soundcraft Signature MTK series (12MTK and 22MTK) and Si series consoles equipped with MADI-USB combo cards. Installation Guide
Download: Obtain the official driver from the Soundcraft software page.
Disable Driver Signature Enforcement: If you encounter installation issues on modern Windows versions, follow these steps: Navigate to Settings > Update & Security > Recovery. Under Advanced Startup, click Restart now.
Go to Troubleshoot > Advanced options > Startup Settings > Restart. Press 7 or F7 to "Disable driver signature enforcement." Run Setup: Once the PC restarts, run the driver installer.
Connect Hardware: Connect a high-speed USB A-to-B cable from your console's USB port to the computer. Configuration for Si Series (MADI/USB Card)
For Si consoles, you must manually patch the channels to send audio to your computer:
Main Mix Patching: Select Left and Right above the master fader, then select Outputs > Output Patch on the screen. Set Patch 2 to the MADI USB Card.
Direct Out Patching: Select an input channel, click Inputs, and select DirectOutPatch. Assign it to a MADI output channel.
Mapping: MADI channel 33 typically shows up as Channel 1 in your DAW. Compatible Hardware
Signature MTK Series: Includes the Signature 12 MTK (14-in/12-out interface) and Signature 22 MTK (24-in/22-out interface).
Si Series: Compatible with Si Impact and other Si consoles using the MADI-USB Combo card. System Compatibility Windows: Supports Windows 7, Windows 8, and Windows 10.
Mac: Not required. Mac OS uses native Core Audio drivers for these consoles. Soundcraft Multichannel USB Audio Driver V3.20
Soundcraft Multichannel USB Audio Driver v3.20 is a essential software component for Windows users that enables high-performance, multi-channel audio interfacing with compatible Soundcraft Professional Audio Mixers soundcraft multichannel usb audio driver v3.20
. This driver allows your computer to recognize the mixer as a comprehensive audio interface, facilitating multi-track recording and playback with Digital Audio Workstations (DAWs). Soundcraft Supported Hardware
The v3.20 driver is primarily designed for the following Soundcraft products: : Specifically the Soundcraft Ui24R
, allowing for dual-path, multi-track recording of all 24 inputs. HARMAN Anytime Help Center Signature Series : Including the Signature 10 Go to product viewer dialog for this item. Go to product viewer dialog for this item. , and the specialized Signature MTK (Multi-Track) models : Used in conjunction with Si Option Cards (such as the Multi Digital card) and the Si Impact console Go to product viewer dialog for this item. Soundcraft Key Features Multi-Channel Routing
: Enables bi-directional audio, allowing you to send individual channels from the mixer to a computer and route audio back for live sound integration or monitoring. Core Audio Compliance : While Windows requires this driver, the hardware remains Core Audio compliant
, meaning it is natively recognized by macOS without additional driver installation. HARMAN Anytime Help Center Low Latency
: Optimized to minimize digital processing delay, supporting professional-grade live streaming and podcasting. Installation & Compatibility The driver is designed for Windows 7, 8, and 10
. Users on Windows 10 and 11 often encounter security restrictions during installation. Soundcraft Important: Windows 10/11 Driver Signature Enforcement
Because this version may not be digitally signed for newer Windows versions, you may need to disable Driver Signature Enforcement to complete the installation: Soundcraft Update & Security Restart now Advanced Startup Troubleshoot Advanced options Startup Settings to "Disable driver signature enforcement." Install the driver while in this temporary boot mode. Troubleshooting Common Issues Device Recognition
: If the Soundcraft USB Audio Control Panel does not recognize your device, ensure you are using a high-quality USB cable and have followed the signature enforcement steps above. Windows 11 Issues
: Some users report that upgraded systems (Win 10 to 11) may face power management conflicts. A clean installation of Windows 11
is sometimes recommended by the community for stable audio performance. or a list of alternative driver versions for older operating systems? Soundcraft Notepad12FX USB static issue with OBS
The Soundcraft Multichannel USB Audio Driver v3.20 is a Windows-based utility designed to enable multi-track recording and playback for digital mixers like the Ui24R and consoles using MADI/USB combo cards. The Soundcraft Multichannel USB Audio Driver V3
While it has since been superseded by newer versions like v3.23.0, v3.20 remains a critical legacy download for users on older Windows systems or specific hardware configurations. Key Functionality
Multichannel Interface: Unlike standard stereo drivers, this version allows your PC to recognize up to 32 simultaneous input and output channels (depending on your hardware) for use in DAWs like Ableton Live or Pro Tools.
ASIO Support: It provides a low-latency ASIO driver, which is essential for professional-grade audio monitoring and recording to prevent "lag" between the performance and the digital signal.
Control Panel: Installation includes a dedicated USB Control Panel that allows users to adjust buffer sizes, sample rates, and monitor active input/output streams. Known Installation Challenges
A common issue reported with v3.20 is related to Digital Driver Signing on modern versions of Windows. Users may need to temporarily disable Driver Signature Enforcement to complete the installation: Navigate to Settings > Update & Security > Recovery. Select Restart now under Advanced Startup.
Choose Troubleshoot > Advanced options > Startup Settings > Restart. Press 7 or F7 to disable driver signature enforcement. Compatibility Notes Soundcraft Multichannel USB Audio Driver V3.20
The story of the Soundcraft Multichannel USB Audio Driver V3.20
is one of critical functionality, technical hurdles, and eventual evolution for audio engineers and musicians. The Role of V3.20
Released around March 2019, version 3.20 of this driver was essential for unlocking the full potential of professional mixers like the Soundcraft Si Impact and Signature MTK series. It allowed these consoles to act as powerful multi-track recording interfaces, capable of sending up to 32 individual channels directly to a computer's Digital Audio Workstation (DAW) over a single USB cable. The Technical Challenge
The most famous part of the v3.20 "story" is its complicated installation on modern systems. At the time, Windows 10 and later began strictly enforcing digital driver signatures for security. Because v3.20 was not always recognized as "signed" by the latest Windows updates, many users encountered a brick wall during setup where the driver simply wouldn't install.
To get the driver working, engineers had to follow a specific "survival guide" often found in Soundcraft support documents:
Advanced Startup: Users had to navigate deep into Windows settings to find "Advanced Startup". Uninstall old drivers: Go to Windows Settings >
Disabling Enforcement: They had to reboot their entire system into a special mode to manually disable driver signature enforcement.
The Window of Opportunity: Only in this temporary state could the v3.20 driver be successfully installed, finally allowing the hardware and software to "talk" to each other. Evolution to V3.23 and Beyond
While v3.20 was a workhorse, its installation difficulties led Soundcraft to release updated versions like v3.23.0. These newer iterations aimed to provide the same high-fidelity, low-latency performance while addressing the compatibility issues that made v3.20 a challenge for less tech-savvy users.
Today, while some legacy setups still rely on v3.20, most users have moved to later versions or the Soundcraft USB ASIO driver v4.82, which offers smoother integration with modern operating systems and hardware like the Notepad series. Soundcraft Multichannel USB Audio Driver V3.20
| Use Case | Buffer Size | Round-Trip Latency | |----------|-------------|--------------------| | Live monitoring (guitar/vocals) | 64 samples | ~4 ms | | Tracking with effects | 128 samples | ~6 ms | | General MIDI production | 256 samples | ~10 ms | | Mixing (heavy plugins) | 512–1024 samples | 20–40 ms |
To ensure a clean installation of v3.20:
Soundcraft_USB_Audio_v3.20.exe and select Run as Administrator.LONDON, UK – Harman Professional Solutions has released version 3.20 of the Soundcraft Multichannel USB Audio Driver, a critical software update for users of Soundcraft mixing consoles that feature integrated USB audio interfacing.
This driver update focuses on maintaining compatibility with modern operating systems, reducing dropouts, and optimizing the multichannel recording and playback capabilities of consoles such as the Signature Series, Si Impact, Ui Series, and specific Ghost models.
Published: April 20, 2026 Category: Pro Audio Drivers / Legacy Hardware
For over a decade, Soundcraft mixers equipped with built-in USB audio interfaces—ranging from the compact Signature 12 MTK to the powerful Impact and Ui series—have relied on a specific software bridge to communicate with Windows DAWs. That bridge is the Soundcraft Multichannel USB Audio Driver.
Version 3.20 represents a unique inflection point in the driver’s lifecycle. It is not the newest release (as of 2026, later beta builds exist for Windows 11), but it remains the most stable and widely cited version in professional forums. Here is why v3.20 still matters.