How do I use loopable samples (LOP)?

EP-40tutorialguide
By ivan.codes·Updated Apr 2026·Official EP-40 Guide ↗

Loopable samples (LOP) let you run samples continuously in the background and mute/unmute them by tapping pads. They're perfect for basslines, melodic loops, or building layered rhythms.

Setting a Sample to LOP Mode

  1. 1.Press SHIFT + SOUND to enter sound edit mode
  2. 2.Use minus/plus to navigate to "Sound Mode"
  3. 3.Turn KnobX until you see "LOP" on the display
  4. 4.Hold SHIFT + SOUND for 2 seconds to save (display shows "SAV")

Playing LOP Samples

In main mode, tap a LOP pad once to start the loop. The pad stays lit while playing. Tap again to mute it. The loop continues in the background, so when you unmute it's still in sync with your pattern.

Loop Startup Sequence (LSS)

Save which loops start playing when a pattern loads:

  1. 1.Set your loop pads to muted or unmuted
  2. 2.Hold the group pad + RECORD for 2 seconds ("LSS" flashes, then "SAV")

The group pad blinks when LSS is saved. Unmuted loops show solid light, manually muted loops blink, muted loops show no light.

Mute Groups

Put multiple LOP pads in the same mute group so only one plays at a time. In sound edit mode, navigate to "Mute Group" and press the pads you want grouped. Now tapping one pad automatically stops the others. This is great for switching between bass or melody variations.

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