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MXR Iso-BrickTM Power Supply
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MXR Iso-BrickTM Power Supply
The MXR iso-brick power supply is small and light with tons of quiet, noise-free DC power on tap
MXR Iso-BrickTM Power Supply
MXR

Item #: 722588

MXR Iso-BrickTM Power Supply

Item #: 722588

BHD 88

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The MXR iso-brick power supply is small and light with tons of quiet, noise-free DC power on tap
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What Stands Out

Multiple Outputs
The MXR Iso-Brick Power Supply offers isolated outputs, providing clean, noise-free power for multiple pedals, reducing interference and ensuring optimal performance during live performances or studio recordings.
Compact Design
Its space-saving design allows for easy integration on pedalboards, making it the ideal choice for musicians with limited setup space who still want robust power solutions for their effects pedals.
Versatile Compatibility
Compatible with a wide range of effects pedals, the Iso-Brick operates at various voltages, ensuring it meets diverse needs of guitarists, bassists, and musicians seeking reliable power without compromise.

Product Details

Shop MXR Iso-BrickTM Power Supply online at a best price in Bahrain. B00U28HYNQ
  • Compact and lightweight MXR Iso-Brick Power Supply
  • Package dimensions: 16.5 H x 10.2 L x 13.2 W (centimeters), Weight: 0.885 kilograms
  • Country of Origin: China, Model Number: M238
  • 10 fully-isolated outputs for quiet, noise-free operation
  • Suitable for a wide range of pedal types including digital and analog, positive and negative ground
  • Includes 9V outputs at 100mA, 300mA, and 450mA, 18V outputs at 250mA, and variable outputs adjustable from 6V to 15V at 250mA, with the variable outputs able to mimic drained battery effect
  • Manufactured by MXR, a respected New York-based company co-founded in 1972 and now owned by Jim Dunlop
Connector Type Used on Cablebarrel connector
Input Voltage9 volts
Amperage450 milliamps
Form Factorpedalboard-friendly
Output Voltage15 volts
Item Weight8 ounces (226.8 grams)
Item Dimensions5.3 x 6.9 x 3.7 inches (13.5 x 17.5 x 9.4 cm)
ColorSilver
Enclosure MaterialAluminum, Metal
Specification MetISO 9001:2008
BrandMXR
Model NumberM238
Unit Count1 Count
UPC710137086654
Global Trade Identification Number00710137086654
Item Type NameMXR ISO Brick Power Supply
ManufacturerJim Dunlop
Mfr Part NumberM238
MaterialAluminum, Metal
Connector Typebarrel connector

Who Should Buy?

Suitable For
  • Guitar Pedal Users

    Ideal for guitarists with multiple pedals needing stable, isolated power to avoid noise interference.

  • Touring Musicians

    Perfect for touring musicians requiring a compact, reliable power supply for performances across various venues.

  • Studio Projects

    Great for home studio setups needing a professional-grade power solution for consistent audio performance.

Not Suitable For
  • Casual Users

    Less suitable for casual players with only one or two pedals who don’t need a complete power solution.

Product Description

MXR Iso-BrickTM Power Supply

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the JIM DUNLOP Dunlop M238 MXR ISO Brick Power Supply?

    Answer: The JIM DUNLOP Dunlop M238 MXR ISO Brick Power Supply is a compact, multi-output pedal power supply designed to provide a stable, efficient power source for guitar effects pedals. Unlike many traditional power supplies, it isolates each output, ensuring that noise and interference from one pedal do not affect others. This is particularly beneficial for maintaining sound clarity during performances and recordings, making it an ideal choice for guitarists and audio professionals.
  • Question: How many outputs does the ISO Brick Power Supply have?

    Answer: The ISO Brick Power Supply features a total of 10 outputs, which include 8 isolated outputs for standard 9V pedals and 2 adjustable outputs that can accommodate 9V, 12V, and 18V devices. This versatility allows musicians to power a wide range of effects pedals simultaneously, ensuring they can create the desired sound without worrying about compatibility. Whether using analog or digital pedals, the ISO Brick adapts to various setup needs.
  • Question: Is the JIM DUNLOP MXR ISO Brick compatible with all guitar pedals?

    Answer: Yes, the JIM DUNLOP MXR ISO Brick Power Supply is designed to work with virtually all 9V, 12V, and 18V guitar pedals that require a power source. Its isolating technology prevents ground loops and noise interference, making it an excellent choice for many setups. Musicians can confidently connect their modest or complex pedalboards without compatibility issues, enhancing their overall performance quality.
  • Question: What are the benefits of using an isolated power supply?

    Answer: Using an isolated power supply like the MXR ISO Brick significantly reduces noise and interference in your signal chain. Isolated outputs ensure that each pedal operates independently, minimizing risks like hum and ground loops. This leads to a cleaner and more professional-sounding performance, especially when several pedals are in use. For gigging musicians and recording artists, this can make a noticeable difference in sound fidelity.
  • Question: How do I connect my pedals to the ISO Brick Power Supply?

    Answer: Connecting your pedals to the ISO Brick Power Supply is straightforward. First, plug the power supply into an outlet. Next, using the provided DC cables, connect each pedal to the desired isolated output on the power supply. Ensure that each pedal's voltage requirements match the settings on the power supply. Whether you are setting up for practice or live performance, this organized connectivity helps maintain a reliable setup.
  • Question: Can I use the MXR ISO Brick for other musical equipment?

    Answer: Absolutely! The MXR ISO Brick Power Supply is not limited to guitar pedals and can also be used to power other musical equipment requiring 9V, 12V, or 18V power. This includes effects units for bass, keyboards, or even some electronic instruments. Its versatility makes it an essential tool for any musician looking to maximize their equipment's potential across various music genres.
  • Question: Is the MXR ISO Brick Power Supply portable?

    Answer: Yes, the MXR ISO Brick is designed with portability in mind. Its compact, lightweight format makes it an ideal solution for musicians on the go. Whether you're heading to a rehearsal, gig, or studio session, this power supply can easily fit into most pedalboards or gig bags. Musicians appreciate its ability to deliver reliable power without taking up excessive space.
  • Question: What kind of power cables come with the ISO Brick?

    Answer: The JIM DUNLOP MXR ISO Brick Power Supply comes equipped with a selection of DC cables designed to connect your pedals seamlessly. These cables vary in length and configuration to accommodate different pedal setups. The included cables have been tested for quality and compatibility, which helps ensure a reliable connection for your entire board, allowing you to focus on your music rather than on power issues.
  • Question: How does the MXR ISO Brick help reduce pedal noise?

    Answer: The MXR ISO Brick Power Supply reduces pedal noise through its isolated outputs which eliminate ground loops and potential interference. Each output operates independently, ensuring that any noise generated by one pedal does not affect others connected to the same power source. For performers, this is crucial as it helps maintain a clean and dynamic sound during performances and recordings, enhancing the overall listening experience.
  • Question: Where can I buy JIM DUNLOP Dunlop M238 MXR ISO Brick Power Supply in Bahrain?

    Answer: You can buy the JIM DUNLOP Dunlop M238 MXR ISO Brick Power Supply at Ubuy, a reliable e-commerce platform that offers a wide range of musical equipment and accessories. Ubuy provides a user-friendly shopping experience and dedicated customer service to help you find the products you need. Visit Ubuy in Bahrain to explore their selection and make your purchase today!

MXR Phantom Power Supplies M238 Editorial Review

The MXR M238 Iso-Brick Power Supply is a compact and versatile power supply. It comes with various adapters, DC cables and power adapter. It has six 9V channels, two 18V channels, and two variable channels. However, some customers faced issues where the product disconnects itself during use. On the other hand, some customers found it to be a great product, as it eliminated noise, worked perfectly, and reduced clutter. One customer mentions that it should have an on-off switch. Another described it as being efficient and cost-effective. Customers also recommend checking the voltage before using it with digital effects pedals.

Customer Reviews & Ratings

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Pros

  • Compact and versatile power supply
  • Comes with various adapters, DC cables and power adapter
  • Six 9V channels, two 18V channels, and two variable channels
  • Eliminates noise and interference
  • Provides individual power to higher amperage digital effects

Cons

  • No on-off switch

Platform Trust & Buyer Confidence

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4.6/5 148 reviews
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MB
Maryam
Verified buyer

“The order arrived fast and in perfect condition”

2 June 2026 · via Trustpilot
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trusttaker
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“I loved it. That was my second order, and I am already thinking of placing a third order.”

16-Jul-26 · via Trustpilot
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Haitham
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“Trusted merchant”

11 July 2026 · via Trustpilot
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Mohammad
Verified buyer

“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied , thank you”

13 June 2026 · via Trustpilot
LA
Lulwa
Verified buyer

“I like the package arrived safely”

17 June 2026 · via Trustpilot
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BHD 88

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • 10 fully-isolated outputs for a variety of voltage and current requirements
  • 2 outputs adjustable from 6V to 15V to emulate vintage tone
  • No gig-ending ground loop noise
  • Pedalboard-friendly size and built like a tank
  • Suitable for both digital and analog pedals
  • On/off and connection status LEDs

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