Filter / Wah (Wah-wah with dual frequency switching (treadle)) · $91
The George Dennis GD40 Wah-Switch Plus is an analog wah-wah with dual frequency switching (treadle) pedal based on the Bandpass wah, with High/Low frequency range switch, Wah (treadle) controls, made in Czech Republic. From $91.
| Category | Filter / Wah (Wah-wah with dual frequency switching (treadle)) |
| Circuit / based on | Bandpass wah |
| Signal | Analog |
| Controls | High/Low frequency range switch, Wah (treadle) |
| Switches | High/Low frequency range |
| I/O | Mono in/out |
| Country of manufacture | Czech Republic |