# Unidentified volume/expression pedal

> This routing & control entry consolidates documented Unidentified volume/expression pedal variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/unidentified-volume-expression-pedal/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Routing & Control
- **Types:** Expression, Volume
- **Also known as:** Expression pedal, Volume pedal
- **Controls:** Treadle
- **Identification:** The model is only partly identified; the archive records what the evidence supports.
- **Documented appearances:** 1 board, 2026

A short black treadle carrying a light ribbed foot plate, with a knurled brass fitting standing proud of the heel end. No maker's mark is legible anywhere on it.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Mateus Asato | Pedalboard 2026 | 2026-07-29 | 7 | Reconstructed | https://pedalboardarchive.com/artists/mateus-asato/world-tour-board-2026/ |