ALSA Scarlett Control Panel (alsa-scarlett-gui)

alsa-scarlett-gui is a Gtk4 GUI for the ALSA controls presented by
the three Linux kernel Focusrite USB drivers:

• Scarlett 1st Gen Driver for ALSA
• Scarlett2 USB Protocol Mixer Driver
• FCP (Focusrite Control Protocol) Driver

Supported interfaces:

• Scarlett 1st Gen 6i6, 8i6, 18i6, 18i8, 18i20
• Scarlett 2nd Gen 6i6, 18i8, 18i20
• Scarlett 3rd Gen Solo, 2i2, 4i4, 8i6, 18i8, 18i20
• Scarlett 4th Gen Solo, 2i2, 4i4, 16i16, 18i16, 18i20
• Clarett 2Pre, 4Pre, 8Pre USB
• Clarett+ 2Pre, 4Pre, 8Pre
• Vocaster One and Vocaster Two

About

All Focusrite USB audio interfaces are class compliant meaning that
they work “out of the box” on Linux as audio and MIDI interfaces
(although on Gen 3/4/Vocaster you need to disable MSD mode first for
full functionality). However, except for some of the smallest models,
they have a bunch of proprietary functionality that required a kernel
driver to be written specifically for those devices.

Unfortunately, actually using this functionality used to be quite an
awful experience. The existing applications like alsamixer and
qasmixer become completely user-hostile with the hundreds of
controls presented for the Gen 3 18i20. Even the smallest Gen 3 4i4
interface at last count had 84 ALSA controls.

Announcing the ALSA Scarlett Control Panel, now supporting all
Scarlett Gen 1, 2, 3, 4, Clarett, and Vocaster USB interfaces!

Documentation

Refer to INSTALL.md for prerequisites, how to
build, install, and run.

Refer to USAGE.md for general usage information and
known issues.

Information specific to various models:

• Scarlett 1st Gen

• Scarlett 3rd Gen Solo and 2i2

• Scarlett 2nd Gen 6i6+, 3rd Gen 4i4+, Clarett USB, and
  Clarett+

• Scarlett Small 4th Gen

• Scarlett Big 4th Gen

Donations

This program is Free Software, developed using my personal resources,
over hundreds of hours.

If you like this software, please consider a donation to say thank
you! Any donation is appreciated.

• https://liberapay.com/gdb
• https://paypal.me/gdbau

License

Copyright 2022-2025 Geoffrey D. Bennett

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see https://www.gnu.org/licenses/.

Disclaimer Third Parties

Focusrite, Scarlett, Clarett, and Vocaster are trademarks or
registered trademarks of Focusrite Audio Engineering Limited in
England, USA, and/or other countries. Use of these trademarks does not
imply any affiliation or endorsement of this software.