# MXR Stereo Chorus

> This modulation entry consolidates documented MXR Stereo Chorus variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/mxr-stereo-chorus/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Modulation
- **Types:** Chorus, Stereo modulation
- **Also known as:** M134, MXR Stereo Chorus
- **Controls:** Bass, Intensity, Rate, Remote on/off switch, Tone shaping, Treble, Width
- **Identification:** The model is identified.
- **Documented appearances:** 3 boards, 1982–2026

A wide yellow MXR chorus with three large controls, bass and treble shaping, and stereo outputs.

## 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 |
| --- | --- | --- | --- | --- | --- |
| John McLaughlin | Fourth Dimension touring effects | 2010-01-01 | 2 | Reconstructed | https://pedalboardarchive.com/artists/john-mclaughlin/fourth-dimension-touring-effects-2010/ |
| Mark Morton | Lamb of God switched touring rig | 2026-04-29 | 5 | Reconstructed | https://pedalboardarchive.com/artists/mark-morton/lamb-of-god-rig-2026/ |
| Randy Rhoads | Custom touring pedalboard | 1982-02-02 | 6 | Source-described | https://pedalboardarchive.com/artists/randy-rhoads/custom-touring-pedalboard-1982/ |