The MXR M239 Mini Iso-Brick Power Supply is a compact, high-performance unit designed to power a wide range of analog and digital pedals with zero noise. Measuring smaller than a candy bar, it's perfect for travel boards or minimalist setups where space is at a premium. Despite its size, it delivers professional-level performance, making it a smart addition to any pedalboard.

This power supply features five fully isolated outputs to prevent ground loop hum and ensure quiet operation. Four outputs deliver 9 V DC at 300 mA each, while the fifth can switch between 9 V and 18 V at 800 mA, making it ideal for higher-demand digital effects or analog pedals requiring more headroom. It supports both negative and positive ground configurations, ensuring compatibility with a broad range of gear.

Included is a splitter cable, allowing two pedals to share a single output—perfect for compact boards with just one or two extra pedals, as long as voltage and current requirements match. Status LEDs on each output make stage troubleshooting fast and simple, even in low light. Housed in a lightweight yet rugged chassis, the Mini Iso-Brick is built for touring reliability and long-term use.

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Power supplies are not included, unless described or pictured. All items have been tested and function 100% unless stated otherwise.

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