Your Boss MS-3 just became even more versatile. The MS-3 is loved for its huge sounds in a small design. That small design also means fewer switches. With the QUAD+ you instantly get 4 additional switches to expand your capabilities.

Otter Custom Design

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Quad+ for Boss MS-3

The Otter Custom Quad+ is a highly versatile and customizable external switching solution designed specifically for Fractal Audio gear, including the FM3, FM9, FC6, FC12, and AXE FX III. This compact device adds four soft-touch, noiseless switches to your setup, allowing you to expand your control options and streamline your workflow.

Quad+

Up and down Bank switch designed for the Boss ES-5 and MS-3

DUO+ for Boss MS-3 (and ES-5) (Freds edition)