Side-by-side comparison of the MXR M237 DC Brick and the MXR M238 Iso-Brick
See how the MXR M237 DC Brick stacks up against the MXR M238 Iso-Brick in today's product comparison. Not sure which is right for you? With so many great options on the market that's hardly surprising, so read on and see if we can help you reach a decision. For more information and product comparisons, check out our longer article here.
First, let's have a look at the MXR M237 DC Brick.
The second product we will be examining in this comparison is the MXR M238 Iso-Brick.
Taking a look at the features of the MXR M238 Iso-Brick
Let's begin with the vital statistics of this superb power supply. It's got two 9v outputs at 100mA, two 9v outputs at 300mA, two 9v outputs at 450mA, and two 18v outputs at 250mA. That makes it a highly versatile product. And to make it even more versatile, then you get two variable voltage outputs that are adjustable from 6v to 15v at 250mA. If you're hungry for power then this beast will be up your street.
HEAD TO HEAD COMPARISON | |
|---|---|
MXR M237 DC Brick |
MXR M238 Iso-Brick |
| KEY FEATURES | |
+ Compact size |
+ Diverse operation options |
| WHAT OUR TEAM THOUGHT | |
It's a good power supply that caters for a range of power combinations, which means that it's not as limited as many other pedal power bricks on the market. |
It is an incredible product. We'd go as far as to say that it is flawless. It offers so many options, is reasonably priced, features a durable construction, and is made by one of the most trustworthy and reliable brands out there. An excellent, safe investment. |
Read the complete review
Also see Music Critic's article 10 Best Pedal Power Supplies in 2025 which includes even more information.
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