| MK1 | MK3 |
| Effect Parameters | Dry, Sub Level, Tracking, Sub Tone, Attack, Split | Dry, Sub Mix, -1/Oct, -2/Oct, Low Pass Filter, High Pass Filter, Range, Attack, Wave type, Balance, Split |
| Sub range on fretboard | fixed | can be set |
| Tone tweaking possibilities | limited to Sub Tone and Attack | More parameters to adjust the tone of the sub waves |
| USB port for upgrading via MacOS/Windows app | NO | YES |
| MIDI | NO | YES |
| Powering and current absorption | Standard 9V PSU @ 100mA | Standard 9V PSU or USB-C @ 200mA |
| Output | 1 x TRS Jack | 2 x TS Jacks |
| Remote Control input | NO | YES |
| Assignable Parameters via Windows/MacOS application | NO | YES |
| Save and recall presets | NO | YES |
| Bypass | true-bypass with latching footswitch | true-bypass, relay controlled |
| Size | 60 x 47 x 112 mm | 65 x 55 x 117 mm |
