SKU: 9621865358
midi effect pedal

midi effect pedal Minimal Series MIDI Dual Stereo Loop (OC-M-MDSL)

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Description

midi effect pedal Minimal Series MIDI Dual Stereo Loop (OC-M-MDSL)One Control Minimal Series MIDI Dual Stereo Loop (MDSL) One Control brings players easy MIDI Loop functionality with the new Minimal Series MIDI Dual Stereo Loop pedal (MDSL). This is a stereo effects loop that is powerful for small pedalboard or large effects systems. Switch your loop easily with MIDI with either stereo or mono loops, and you can covert mono signals to stereo (dual mono operation) and send them to stereo effects. And instead of


One Control Minimal Series MIDI Dual Stereo Loop (MDSL)


One Control brings players easy MIDI Loop functionality with the new Minimal Series MIDI Dual Stereo Loop pedal (MDSL). This is a stereo effects loop that is powerful for small pedalboard or large effects systems. Switch your loop easily with MIDI with either stereo or mono loops, and you can covert mono signals to stereo (dual mono operation) and send them to stereo effects. And instead of relying on a footswitch you can control the MDSL easily with MIDI from a wide variety of devices.


The OC MDSL can use between 1-8 MIDI channels to receive control signals, and the On/Off of the two effects loops via MIDI PC# or CC#. Use either PC or CC mode to control your loops easily. The input, output, and effects loop send and return jacks are all TRS stereo plugs and can be used as a full stereo loop. If the mono output signal becomes stereo via an effect connected to the effects loop, it can be output as a stereo signal to the output. Of course, you can simply use TS mono cables to have a mono loop switcher controlled via MIDI.


With the Minimal Series small size, you can use multiple MDSL units installed in remote locations, such as pedalboards and rack systems, with easy control of your loops. And beyond simple ON/OFF operation with MIDI switching, you can use the MDSL as an additional effects loop with larger switching systems like the One Control Caiman Tail Loop or the OC10+ Croc Eye. The OC MDSL is a simple and small switcher that can be used in a variety of ways to make your tone dreams come true.


MIDI Signal Characteristics:

PC# 80: Set it to PC mode. (Factory)
PC# 81: Set it to CC mode.
PC# 90: When you connect the power to the main unit, the ON/OFF setting of each loop is reset. (Factory)
PC# 91: When the power is connected to the main unit, the ON/OFF setting of each loop is set at the end.
PC# 10: Bypass Loop 1. This signal is ignored in CC mode.
PC# 11: Turn on Loop 1. This signal is ignored in CC mode.
PC# 20: Bypass Loop 2. This signal is ignored in CC mode.
PC# 21: Turn on Loop 2. This signal is ignored in CC mode.
PC# 30: Bypass both loops. This signal is ignored in CC mode.
PC# 31: Turn on both loops. This signal is ignored in CC mode.

CC# 102 / Value 10: Bypass loop 1. In PC mode, this signal is ignored.
CC# 102 / Value 11: Turn on loop 1. In PC mode, this signal is ignored.
CC# 102 / Value 20: Bypass loop 2. In PC mode, this signal is ignored.
CC# 102 / Value 21: Turn on Loop 2. In PC mode, this signal is ignored.
CC# 102 / Value 30: Bypass both loops. In PC mode, this signal is ignored.
CC# 102 / Value 31: Turn on both loops. In PC mode, this signal is ignored.


L1/L2 switch

L1 and L2 switches choose whether to change mono to stereo signals in loop 1 and loop 2 respectively.

When stereo signals are input and when mono signals are left mono, these switches are set on the top side.

If you want to convert a mono signal to stereo, set this switch to the bottom.


For example, if you enter a mono signal in the input, loop 1 is a mono effect, and loop 2 is a stereo effect, set only the L2 switch to the M>S side.

Enter a mono signal in the input, and if Loop 1 and Loop 2 are stereo effects, set only the L1 switch to the M>S side.

However, if the effect connected to loop 1 is mono input or stereo output, both switches remain on the upper side.

Also, if one of these switches is on the M>S side, the output will also be a stereo signal.


We do not make both switches M>S side. The M>S switch is used when loop 1, the signal from the input is mono, and the loop 1SEND is stereo.

For loop 2, it is used when loop 1 RETURN is a mono signal and loop 2SEND is stereo.

Otherwise, set it on the upper side.


Control:

MIDI CH: Set the MIDI channel to respond. It is used in combination with the position of the three DIP switches. Firmly fold the switch to the left or right and stop it in the middle and do not use it.


L1/L2 switches: Switch whether mono/stereo conversion is performed on loop 1 or loop 2.
Bottom position: Mono input → Stereo send, return, output
Top position: Stereo input → Stereo send, return, output
Mono input → mono send, return, output
Stereo input → mono send, return, output


Specifications:

120W x 60D x 30H mm (excluding protrusions)
125W x 68D x 32H mm (including protrusions)
Weight: 366g
Current consumption: 120mA
Power supply: Center minus DC9V adapter
*Batteries are not available.



Minimal Series – “Sophisticated Functionality”

The One Control Minimal Series eliminates all waste in the manufacturing process of pedals, achieves the most compact size, and consolidates simple but sophisticated functionality. These are pedals that have earned the name Minimal.


For this series One Control has devised and realized an innovative PCB layout that can ensure both speed and precision in the manufacturing process, as well as strength in construction with high quality parts. Production efficiency has improved, reducing unnecessary hand labor and waste and helping to lower the price without lowering the quality.


OC Minimal Series also achieves minimal size housings for the pedals so they can be used without taking up much space on your pedalboard or under your feet. Built to last, built to be stepped on, and built to fit anywhere you need them. Purpose-built solutions with exactly what you need, and nothing more. Switching is Easy with One Control!

 

Minimal Series MIDI Dual Stereo Loop Manual.pdf 

 

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Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 9621865358

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ALEXANDRA W.
Massapequa, US
★★★★★ 5
Nice pillows
Size: Queen, Number of Items: 2
Have had these a few months and so far really like them! They don’t really feel very cooling, but I also run VERY HOT so it could just be me. The foam holds up well and hasn’t flattened like others I’ve tried. They come very compacted- I was shocked how much they expanded!
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Reviewed in the United States on March 22, 2026
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Balous belote
Whiting, US
★★★★★ 5
Mr.b
Size: Standard, Number of Items: 2
The pillows are cool and comfortable
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Reviewed in the United States on May 27, 2026
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Kindle Customer
Carnegie, US
★★★★★ 5
Soft and cool.
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Love this pillow set. Comfortable addition and nice and cool at all times. Going to be great for when the hot weather hits
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Reviewed in the United States on June 8, 2026
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Anna T
Phoenix, US
★★★★★ 5
As advertised for once! Lol
Color: Cooling Blue Cover, Size: Queen (Pack of 2), Color: Cooling Blue Cover, Size: Queen (Pack of 2)
Queen size set of 2 pillows, I'm giving it 5stars first bc it has a good length and width!! If you've ever bought memory foam pillows before you know some are small!! Anyways after having it for 5nights, we loved that me and my huddy could adjust the Thickness amount we had in it to our needs, me needing a thick pillow and my husband needing a flatter one. So this was perfect for that. So far its nice to sleep on, stays cool, doesnt get hot. I would say its on the frimer side but softer the more foam you take out! Really its just good for the amount you spend!! Will it last 10years probably not but what does now a days. This is the only time my huddy n I bought the same pillow and both love it so I'm just still in shock it worked out so well!!
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Reviewed in the United States on April 28, 2026
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Lana Cannon
Phoenix, US
★★★★★ 5
Adjustable pillows
Color: Cooling Blue Cover, Size: Queen (Pack of 2)
I love these because they don't go flat. You can pull out whatever you need to make them comfy for you. They come in two different layers. So you have that protective cover over the main case that holds the memory foam. They're amazing to sleep on. I have had these last for years without going flat. If you hate flat pillows this is the way to go. They are very easy to wash. You just have to separate layers. They are very thick, you can adjust the thickness. Everyone in my house has at least one. They are worth the money. I have never had to replace them, because they went flat.
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Reviewed in the United States on May 6, 2026

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