What is the ma output rating for the 9 volt outputs and the 18 volt outputs? Can't believe this is not shown or been asked yet.

Hello, thank you for writing to us. The eight 9 volt outputs on the M237 can handle 150 mA each, and 1200 in total. The two 18 volt outputs tke 400 mA each and 800 mA in total. Here's a link to the instruction manual in case you'd like to see it : https://vidweb.aws.marketlive.com/jimdunlop_vid/text/content/pdp/manuals/M237.pdf If you have any other questions for us, let us know! Thanks again and have a great day.

include adapter and cables for connecting?

A wall wart power supply and power cables to attach to pedals were included.

include the 18v power supply input?

The unit comes with all needed wires - Including wall plug =|----> 18v input to power all outputs.

How noisy is this product?

Depends on if your pedals are power hungry. Since they outputs aren't isolsted, you will get noise. My Strymon pedals were too noisy such that I could not run them with this supply.

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Jim Dunlop MXR M237 DC Brick Power Supply, Silver

Jim Dunlop MXR M237 DC Brick Power Supply, Silver

Product ID: 88596538

Details

Amperage
9 Milliamps
Brand
MXR
Colour
Silver
Connector Type
2.1mm barrel
Item Weight
1.55 Pounds

⚡144W total output wattage, twice the power

🔋8x 9V outputs for versatile pedal power

🚨LED short-circuit indicators for instant troubleshooting

S$361

Duties & taxes included

In stock

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Description

⚡ Power your sound, protect your vibe.

ALL INCLUSIVE SETUP - Comes complete with AC adapter and cables, so you’re ready to power up and play right out of the box.
COMPACT RUGGED DESIGN - Sleek silver chassis fits neatly on any pedalboard, engineered to withstand the rigors of the road.
INSTANT PROBLEM DETECTION - Red LED indicators on each output let you spot and fix power issues in seconds—no downtime, no guesswork.
POWER YOUR ENTIRE PEDALBOARD - Eight 9V and two 18V outputs deliver seamless multi-pedal performance without compromise.
STAY PROTECTED PLAY CONFIDENTLY - Built-in short circuit and overload protection keeps your gear safe and your sound uninterrupted.

The Jim Dunlop MXR M237 DC Brick Power Supply is a compact, high-capacity power hub designed for professional pedalboards. Featuring eight 9V outputs and two 18V outputs with a total 144W output, it supports virtually any pedal combination. Enhanced with LED short-circuit indicators and robust overload protection, it ensures reliable, safe power delivery. Its sturdy silver design and included cables make it an essential, road-ready accessory for serious musicians.

Specifications

ASIN	B00B5I9GYW
Amperage	9 Milliamps
Best Sellers Rank	#28,117 in Musical Instruments ( See Top 100 in Musical Instruments ) #403 in Acoustic & Classical Guitar Parts
Box Contents	Jim Dunlop MXR M237 DC Brick Power Supply, Silver
Brand Name	MXR
Colour	Silver
Connector Type Used on Cable	2.1mm barrel plug, AC input
Customer Reviews	4.7 4.7 out of 5 stars (740)
Form Factor	compact
Global Trade Identification Number	00710137057777
Importer Contact Information	Mumbai, Maharashtra 400059
Item Dimensions	23.4 x 10.9 x 6.9 Centimeters
Item Type Name	Acoustic Guitar Kits
Item Weight Unit of Measure	1.55 Pounds
Manufacturer	Dunlop Manufacturing, Inc.,P.O. Box 846,Benicia, CA 94510,U.S.A., MXR
Manufacturer Contact Information	Dunlop Manufacturing, Inc.,P.O. Box 846,Benicia, CA 94510,U.S.A.
Manufacturer Part Number	11237000001
Model Number	M237
Output Wattage	144 Watts
Packer Contact Information	Dunlop Manufacturing, Inc.,P.O. Box 846,Benicia, CA 94510,U.S.A.
UPC	710137057777 799491179073 710137065956
Unit Count	1 Count
Warranty Description	1 year warranty from the time of manufacturer

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TrustScore 4.5 | 7,300+ reviews

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