The Focusrite Scarlett 2i4 driver allows Windows to communicate with your USB audio interface, making its inputs and outputs available to recording software and audio applications. Installing the appropriate Focusrite driver helps you record microphones and instruments, play back audio, and configure low-latency performance for your setup.

Key Features

• ASIO support for recording software: Provides a dedicated audio connection for compatible digital audio workstations, with adjustable buffer settings to balance responsiveness and system stability.
• Input and output access: Enables software to use the Scarlett 2i4’s two input channels and four output channels for recording, playback, and flexible routing.
• Audio configuration controls: Lets you manage supported sample rates and buffer sizes through the driver’s settings or your recording application.
• Windows connectivity: Supports communication between the interface and Windows when you install a driver release suited to your Scarlett generation and operating system.

How to Install

1. Identify your interface and Windows version. Check whether you have a first- or second-generation Scarlett 2i4, then confirm whether your PC runs Windows 11, 10, 8, or 7. Driver compatibility varies by release, so verify support for your exact combination rather than assuming the newest package supports every system.
2. Download the matching Focusrite driver. Choose the package listed for your Scarlett 2i4 generation and Windows version. Review any included installation notes before proceeding.
3. Run the installer. Close recording software and other audio applications, open the downloaded installer, and approve the Windows permission prompt. Follow its instructions, including any guidance about when to connect the interface.
4. Connect and complete setup. Plug the Scarlett 2i4 into a suitable USB port, preferably directly on the computer during initial setup. Allow Windows to finish detecting it, and restart if prompted.
5. Select the interface and test audio. Choose the Scarlett 2i4 in Windows sound settings for everyday playback or recording. In your DAW, select the Focusrite ASIO driver, enable the required channels, and test an input and output. If playback crackles or drops out, try increasing the buffer size.

Common Issues and Fixes

• Installer fails or stops mid-way: Close DAWs and browsers, run the Focusrite installer as administrator, temporarily disable antivirus, reboot, then connect the Scarlett 2i4 only after installation completes. Use the supplied USB cable or a known-good one.
• Device not detected: Plug the 2i4 directly into a USB 2.0 port, not a hub. Try another cable/port, power-cycle the interface, and check Windows Device Manager for unknown devices. Reinstall the correct driver if it still does not appear.
• Version conflicts / audio dropouts: Uninstall older Focusrite USB drivers and any mismatched Scarlett MixControl/Focusrite Control version, reboot, and install the package for your 2i4 generation. Match the Windows sample rate to your DAW.