RJM Music Mini Amp Gizmo

MIDI to Amplifier Footswitch Adapter
5/5 10 Write review Item ID: MiniAmpGizmo
RJM Music Mini Amp Gizmo image 1
RJM Music Mini Amp Gizmo image 1
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RJM Music Mini Amp Gizmo
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Control Your Entire Guitar Rig from One MIDI Controller!

The RJM Mini Amp Gizmo is the missing link between your MIDI controller and your amp. With a single MIDI cable, this small footprint adapter lets you control the footswitchable features of your amp from your MIDI-equipped effects pedal or the same MIDI controller you use to control your effects modules. All you need is the right adapter between the Mini Amp Gizmo your amplifiers and your set. You can break out its 8-pin output to four 1.4" TRS plugs or any number of manufacturer-specific footswitch inputs. With up to eight switches that support latch and momentary switching circuitry, the Mini Amp Gizmo lets you control even highly complex amplifiers.

By using only high-quality relays and electrically isolated switching jacks, the Mini Amp Gizmo protects your sound from nasty ground loop hums. Storage for a total of 256 different programs lets you quickly reconfigure the Mini Amp Gizmo for use with different setups. Programming the Mini Amp Gizmo is just a matter of accessing its intuitive front panel buttons and LEDs, and the whole process takes only seconds to complete. And the entire unit is contained in a low profile, powder-coated steel case that's completely roadworthy.

Note:To make sure that the Mini Amp Gizmo is compatible with your amplifier, give your Sweetwater Sales Engineer a call at (800) 222-4700.

RJM Mini Amp Gizmo MIDI to Amplifier Footswitch Controller Features:
  • Easy programmability using the front panel buttons and LEDs
  • Control virtually every amp on the market
  • 8-pin DIN switching jack makes it easy to connect to any amp
  • High quality relays are used to provide the most compatible switching
  • Both latching and momentary switching supported
  • Stores 256 programs
  • Transfer program data to and from a computer or between 2 Mini Amp Gizmos
  • Solid and durable powder-coated steel case
  • AC adapter included
  • MIDI in/out/thru
  • 1 x 8-pin to amplifier out
Control your amps from your MIDI controller with the RJM Mini Amp Gizmo!

Additional Media

MIDI Amp Switching

Tech Specs

Manufacturer Part Number AGM-1A

Customer Reviews

Based on 10 reviews
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I bought this to use with my Line 6 Helix and my Mesa Roadster. I really wanted the features of the Helix, while keeping my amp's natural distortion, and being able to use the Helix to control the amp's channel switching. The Mini Amp Gizmo allows me to do that with perfection! Easy setup and I was up and going within minutes!

Perfect and Simple

Mini-Amp Gizmo is the perfect device for building out your rack in conjunction with a Mark V. I'm using it with a Ground Control and GCX switcher. The combination is a snap to set up, and it makes creating presets using the amp's three channels, loop, eq and reverb so easy. It's small enough to fit into the pedal drawer of your rack, and it works great with a VooDoo power supply too. Oh, and last, the documentation/setup instructions are simple and well done. Make sure to purchase the correct cable, and you are good to go!
Music background: Semi-professional musician

Exactly what you need!

This allows me to use my effects floorboard (Line 6 HD500X) to switch channels on my amp. For example, my Egnater Vengeance's footswitch has the following buttons: Channel (clean/dist), Mids1, Mids 2, Effects Loop, Reverb, Master 1/2. I no longer need my footswitch, it can all be controlled by hooking this bad boy up to my amp and my Line 6 pedal. Use a floorboard/MIDI controller to run into the Amp Gizmo and the Amp Gizmo has a special cable (not included) that runs from the Amp Gizmo into your amps footswitch jack(s). A special note: my special cable for my amp is 1/4" TRS, meaning that it is stereo. I.e. A typical 1/4" cable (like a guitar cable) with the black ring half-way up the tip. This allows each 1/4" to switch two different things from the same jack if that is what your amp requires.
Music background: amateur recording engineer, life-time musician, guitarist for 14 years...

What a great solution

After watching my favorite bands on youTube and their live rig set up I have been wanting to go midi with my amp. I was expecting to spend some good money on a midi setup. Thank goodness I stumbled upon a youTube video of the Mini Amp Gizmo. I was floored at the video demo of how easy it was to set up. So, ...I bought one. And it is perfect. Totally does what it says. Changes all my amp channel, reverb, and effects loop on and off via midi from my Line 6 HD500. I play in a cover band professionally and this little gizmo is making my stage life easier. No more "toe tap dancing"!!!
Music background: Semi Pro Musician

Great Device

One word review: WOW! More in-depth review: I have a MB MarkV and a GT-10. I purchased the mini amp gizmo to switch the amps functions via the GT-10. Right out of the box the MAG worked fine. The reverb switch #8 is inverted: however the included instructions are very easy to follow. My only trouble was getting the MAG to accept midi commands from my GT-10. After sending my midi settings to RJM they suggested one change and then check my midi cable (not supplied with the MAG). Sure enough it was my old cable. Switched cables, reset the MAG everything works fine. This is one rugged unit, does everything I want out of it. Communication with RJM was prompt and helpful. This is a great product from a great company. My only wish is that the custom cable that goes from the MAG to my MARK V was more than 10’. 15’ or 20’ would have been perfect. I currently have the MAG on my pedal board. If I want to go farther than 10’ I will have to mount it on my amp and use a long midi cable to go to my GT-10. All-in-all a very small gripe for such a great product and great company. Buy this unit and stop the tap dancing! My biggest regret is that I waited 1 ½ years after buying my Mark V to get this unit. Oh Sweetwater was awesome as usual. Prompt communication, very friendly sales associate, and fast shipping. Can’t go wrong ordering from them.
Music background: Weekend Guitar Warrior.
See also: Footswitches, RJM Music, RJM Music Pedal & Effects Accessories, RJM Music Footswitch / Selector Pedals