# CAE Boost / Line Driver

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

- Canonical page: https://pedalboardarchive.com/pedals/cae-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:** Boost, Line driver
- **Also known as:** CAE MC401 boost, MXR MC401
- **Controls:** Boost level
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2024

A small black single-control clean booster with a centered white gain knob.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Slash | Blues Ball floorboard | 2024-07-10 | 3 | Source-described | https://pedalboardarchive.com/artists/slash/blues-ball-tour-2024/ |