The Carl Martin Big John is a reliable, pedalboard-friendly power supply designed to deliver clean and stable \(9\text{V}\) DC power to your effects pedals. Built to withstand gigging, it features multiple outputs, an ultra-quiet design, and built-in status LEDs to keep your rig running smoothly.
Key Features & SpecsOutputs: Provides \(9\text{V}\) DC outputs to power standard guitar and bass pedals.
Current Capacity: Drives multiple (7 outputs) devices safely. Protection: Includes short-circuit protection to keep your valuable pedals safe.B
Housed in a heavy-duty, road-ready metal casing with easy-to-read power and check status LEDs.
| Listed | 18 days ago |
|---|---|
| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
| Brand | |
| Model |
|
| Categories |
Product safety information may be available here.

