| Power | Current draw | Voltage |
|---|---|---|
| Crystal | 9vDC only | |
| Echolapse | <70 mA | |
| Howl | 15 mA | |
| Lucid | <2 mA | 9-18vDC |
| Screaming Skull | 9vDC only (12.5vDC max) | |
| Tremulant | 9vDC only (12.5vDC max) | |
| Tremulant Lee | 9-15vDC |
| Power | Current draw | Voltage |
|---|---|---|
| Crystal | 9vDC only | |
| Echolapse | <70 mA | |
| Howl | 15 mA | |
| Lucid | <2 mA | 9-18vDC |
| Screaming Skull | 9vDC only (12.5vDC max) | |
| Tremulant | 9vDC only (12.5vDC max) | |
| Tremulant Lee | 9-15vDC |