Filter / Wah (Envelope filter / auto-wah)
The Rowin LEF-3804 Auto Wah is an analog envelope filter / auto-wah pedal, with Cutoff, Shape, Reso, Speed controls, made in China.
| Category | Filter / Wah (Envelope filter / auto-wah) |
| Signal | Analog |
| Controls | Cutoff, Shape, Reso, Speed |
| Footswitches | 1 |
| Bypass | true bypass |
| True bypass | Yes |
| I/O | mono in / mono out |
| Power | 9V DC |
| Enclosure | compact |
| Country of manufacture | China |