# CAE/Dunlop MC404 Wah

> This filter & eq entry consolidates documented CAE/Dunlop MC404 Wah variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/cae-dunlop-mc404-wah/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Filter & EQ
- **Types:** Boost, Wah
- **Also known as:** CAE Wah, MC404
- **Controls:** Boost, Inductor select, Q, Treadle
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2024

A long black treadle wah with a ribbed rocker and distinctive side-mounted range and boost controls.

## Documented boards

Each row is an observed appearance on a dated board. A position is only an observed one where that board's order evidence says so.

| Artist | Board | Date | Positions | Order evidence | Page |
| --- | --- | --- | --- | --- | --- |
| Trey Anastasio | Three-output Bradshaw touring board | 2024-09-16 | 1 | Reconstructed | https://pedalboardarchive.com/artists/trey-anastasio/post-sphere-three-output-bradshaw-board-2024/ |
