We are happy to finally release the 2.0 for the S-4!

As a little thanks to everyone where in the Discord community, we wanted to release the update here early. Thanks to all of the beta testers who has helped us finding bugs, and shaping the update. We appreciate all of the feedback!

Best, Torso

Changes in S-4 OS v2.0.0

June 17 2025

Features

• PERFORM: Global macros and punch-in effects for expressive, hands-on control. Map any parameters across the four tracks of the S-4 to the eight slider macros (supports unipolar and bipolar modes) or use the four action buttons as punch-in effects.
• SCENE: Save and trigger up to 128 snapshots of full machine states per project. Use CHANCE and RULE to trigger chained scenes in sequence or randomly. Supports Program Change for easy external control.
• TEMP: Temporarily change any parameter during performance and snap back instantly with the [TEMP] button.
• COPY: Copy and paste scenes, tracks and devices with the [COPY] button.
• DISC: New MATERIAL device for streaming audio directly from the internal storage.
• FOLLOW: New envelope follower available as Modulation Source. Use internal or external audio as the control source, adjust fall and rise time, apply sample and hold and apply modulation to any parameter.
• Track Launch: Start and stop any of the four tracks individually using the new Track Launch available in the Mix View. Track mutes moved to [CTRL] actions in the Mix View.

Enhancements

• Optimized Internal Microphone: The internal microphone has been polished for a cleaner sound.