# MXR/CAE MC401 Boost/Line Driver

> This gain entry consolidates documented MXR/CAE MC401 Boost/Line Driver variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/mxr-cae-mc401-boost-line-driver/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Gain
- **Types:** Clean boost, Line driver
- **Also known as:** CAE boost/line driver, MC401
- **Controls:** Boost
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2007

A black single-knob boost and line driver used with a Dyna Comp for Springsteen's 2007 lead level.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Bruce Springsteen | Magic tour remote and offstage rig | 2007-10-01 | 2 | Reconstructed | https://pedalboardarchive.com/artists/bruce-springsteen/magic-tour-remote-and-offstage-rig-2007/ |