DL4 MkII MIDI CC Preset Designer. Free web tool for Line 6 DL4 MkII guitarists who want to control delay and reverb presets via MIDI CC messages using Morningstar MC8, MC6, or any MIDI controller.
Select from all 30 DL4 MkII delay models, set delay time in milliseconds or percentage, adjust repeats, mix, tweak and tweez parameters, choose from 16 secret reverb models, and generate ready-to-use CC messages.
Solves the problem of manually calculating MIDI CC values for DL4 MkII presets. Works in any browser, no installation required.
If you are trying to save more than 6 presets on DL4 MkII, or control DL4 parameters via MIDI controller, this tool generates the exact CC messages you need.
🎛️ DL4 MkII Preset Designer v1.3
Design your delay presets → Get CC messages for your MIDI controller
For Line 6 DL4 MkII Delay Modeler
(Set this to match your DL4's MIDI channel)
Delay Model
✓Good CC resolution: 1.6 ms per step
Max Time:2000 ms
ms
40%
50%
50%
50%
Reverb (Secret Reverbs!)
50%
50%
30%
⚡ Quick Presets
Generated MC8 Pro Messages
Program these CC messages in your Morningstar editor (or any MIDI controller):