Endorphin.es has teamed up with Loopop to bring musicians a compact yet highly effective tool: PLUS 3, a desktop expression and sustain pedal designed to add new levels of control to your setup. Whether you’re working with synths, MIDI controllers, effects pedals, or even semi-modular gear, PLUS 3 opens up a range of creative possibilities without the need for bulky pedals or complicated setups.
What You Need to Know:
- Desktop control for sustain and expression functions, freeing up your feet and desk space
- Fader for expressive performance and automation, perfect for subtle control of parameters
- Drone mode toggle for holding notes indefinitely and swapping them seamlessly
- No power needed—PLUS 3 is completely passive and built from lightweight, durable aluminum
- Customizable sustain key based on mechanical keyboard switches, allowing you to swap in your own keycap
Designed for Musicians, by Musicians
PLUS 3 was created with ease of use in mind, making it an ideal solution for musicians who want quick access to the sustain and expression jacks on their instruments. Instead of relying on traditional foot pedals, PLUS 3 offers a desktop alternative that’s compact and simple to integrate into your setup. With a high-quality fader for precise control and a momentary sustain key for immediate playability, this pedal is designed to let you dive into expressive performances without the clutter of additional hardware.
The collaboration with Loopop adds an extra layer of depth, offering musicians insights into how to maximize the pedal’s potential. In Loopop’s video, he dives deep into creative uses of the sustain and expression functions, showing how PLUS 3 can unlock features in your gear that you might not have realized were there.

Unlock New Capabilities for Your Gear
Whether you’re using synths, effects pedals, or MIDI controllers, PLUS 3 brings a fresh approach to controlling parameters. On the sustain side, you get a momentary sustain button that’s incredibly handy for instruments that lack a physical sustain control. There’s also a drone/hold switch, which allows you to hold notes indefinitely and switch them out with ease—perfect for ambient or evolving soundscapes.
The expression side of PLUS 3 lets you map its fader to any parameter in your DAW or gear. It’s particularly useful for controllers that don’t have built-in faders but do have an expression jack. For example, you can add PLUS 3’s fader to a Native Instruments Kontrol MK3 or Korg KeyStage, giving you hands-on, expressive control over your sound. Whether you’re adding swells to an orchestral track or fine-tuning effects, this fader gives you the tactile feedback that MIDI knobs often lack.
An All-in-One Solution for Creative Control
PLUS 3 isn’t just about adding more control—it’s about doing it in a simple, effective way. You can use it to trigger advanced features in DAWs, synths, and effect pedals with expression jack mapping. Whether you’re using it to control multiple parameters at once, trigger freeze effects, or swap presets, the possibilities are endless. Think of it as macro control for your hardware, with all the flexibility of a modular system but none of the complexity.

Compact, Passive, and Customizable
Built from lightweight aluminum, PLUS 3 is designed to fit seamlessly into any setup. It’s passive, meaning no extra cables or power are needed, and its customizable sustain key lets you swap out the keycap to match your personal style.
PLUS 3 is a simple and affordable way to expand the capabilities of your existing gear, bringing flexibility and creative control right to your fingertips.
If you’re looking for a compact, hassle-free way to integrate expressive control into your music-making process, PLUS 3 might just be the perfect addition to your rig. Check out Loopop’s video for more inspiration on how to make the most of this innovative new tool!

