Modulation (Rotary / phaser / vibe / chorus multi-mod)
The Rowin LEF-3801 Roto Engine is a digital rotary / phaser / vibe / chorus multi-mod pedal based on the Rotary speaker sim, with Level, Speed, Intense controls, made in China.
| Category | Modulation (Rotary / phaser / vibe / chorus multi-mod) |
| Circuit / based on | Rotary speaker sim |
| Signal | Digital |
| Controls | Level, Speed, Intense |
| Switches | 3-mode selector (phaser / vibe / chorus) |
| Footswitches | 1 |
| Bypass | true bypass |
| True bypass | Yes |
| I/O | mono in / mono out |
| Power | 9V DC |
| Enclosure | compact |
| Country of manufacture | China |
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