MXR M238 Iso-Brick Power Supply – Reliable, Noise-Free Power for Your Pedalboard

The MXR M238 Iso-Brick Power Supply delivers a compact and lightweight solution with abundant, silent DC power to run a diverse range of pedals. Designed to keep your pedalboard uncluttered and lightweight, it ensures dependable performance without unwanted noise or interference.

Main Features

• Ten fully isolated outputs to eliminate ground loop noise
• Quiet, noise-free operation ideal for both analog and digital pedals
• Supports positive and negative ground pedals
• Variable outputs emulate the coveted “sag” effect of a drained battery
• Robust, tank-like construction with power on/off and connection status LEDs

Each output is tailored for various voltage and current needs:
- Two 9V outputs at 100mA
- Two 9V outputs at 300mA
- Two 9V outputs at 450mA
- Two 18V outputs at 250mA
- Two variable outputs adjustable from 6V to 15V at 250mA

The variable outputs offer unique tonal control by mimicking voltage sag, prized by vintage tone enthusiasts. Compact yet rugged, the Iso-Brick is the ultimate power solution to keep your pedalboard running cleanly and reliably through every gig.

Specifications

Input
- 18V DC, 2 Amps regulated supply (positive barrel, negative centre, 5.5mm x 2.1mm plug)

Outputs
- 6–15V at 250mA (2 variable outputs)
- 18V at 250mA (2 outputs)
- 9V at 450mA (2 outputs)
- 9V at 300mA (2 outputs)
- 9V at 100mA (2 outputs)

(All outputs: positive barrel, negative centre, 5.5mm x 2.1mm)

Outside the UK?

Please note that shipping costs outside the UK are very approximate and can vary radically. Please contact us with your Country and Post/Zip Code for an accurate quote. Many thanks. Please also note if you are outside the UK we will not charge you tax on your purchase but you may be liable for import duty in your country.

Please also note that all our stock is sold for the UK market. If you are buying from outside the UK, please check that it is suitable for use in your country before purchase.