Download Ver.1.5.6 (Note: Intel-based Macs only; Apple Silicon/M1 is not supported).

Mac installation requires specific security permissions depending on your OS version: Support - QUAD-CAPTURE - Updates & Drivers - Roland

For modern Windows systems, the QUAD-CAPTURE driver often installs automatically when you connect the device to an internet-connected PC. If it does not, follow these manual steps:

Open the extracted folder and run Setup.exe . Follow the on-screen instructions.

Once installed, open your Sound Settings in the Control Panel and set QUAD-CAPTURE (UA-55) OUTPUT 1-2 as your default playback device. Installation Guide for macOS

Plug in the interface only when the installer prompts you to do so.

Always download drivers from the official site to ensure stability and security: Windows 10 / 11: Download Ver.1.5.3 .

Ensure the UA-55 is not plugged into your USB port before starting the manual installer.