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Radial Engineering Pro RMP Passive Reamping Direct Box

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The Radial Engineering ProRMP is a 100% passive re-amplifier that takes a prerecorded track and re-amplifies it through a guitar amp or effects pedal...Click To Read More About This Product

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Professional re-amping at a price for every studio!

The Radial Engineering ProRMP is a 100% passive re-amplifier that takes a prerecorded track and re-amplifies it through a guitar amp or effects pedal creating new and exciting tones. Re-amping has been the "secret weapon" for countless recordings by the biggest names in the business and the process is often used on guitars, bass, keyboards, percussion, and even voice to create new textures!

Plug and play and easy to use, the ProRMP Studio Direct Box connects from the recorder to your amp and effects units and does all the impedance matching for you. Just adjust the level to suit!

The magic behind the Radial Engineering ProRMP's great tone is a custom-wound transformer that at once converts the balanced Low-Z source to a Hi-Z input for your amp while also acting as an electrical isolator to eliminate troublesome ground loops that can often cause buzz and hum in the sound.

Like all Radial products, the ProRMP is built tough. Encased in a 14 gauge steel, the ProRMP employs a unique bookend design with a welded I-beam frame that protects it from damage and assures the PC board and solder points will not be stressed, adding durability. A full-bottom no-slip pad works double duty by providing plenty of stay put while also eliminating electrical contact points from guitar amp chassis bolts that could cause ground loops.

The Radial ProRMP direct box gives you affordable professional re-amping for every recording studio.

ProRMP application

Plug a standard balanced cable from your recorder or mixer output to the ProRMP's XLR input. Connect the 1/4" ProRMP output to your instrument amp. Adjust the ProRMP's output level control as required to match the amp input and engage the ground lift switch to eliminate any hum and buzz caused by ground loops.

  • Play prerecorded tracks through amps and pedals
  • Opens the door to creative new tones and textures
  • Eliminates repetitive playing during recording
  • Onboard level control for fine tuning the gain
  • Transformer isolated to eliminate buzz and hum
  • Applications - great for re-amping all instruments including:
  • Electric guitars
  • Bass guitars
  • Keyboards
  • Electric violin
  • Voice
  • Percussion

Review Snapshot

by PowerReviews
Radial EngineeringPro RMP Passive Reamping Direct Box

(based on 3 reviews)

Ratings Distribution

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Reviewed by 3 customers

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(2 of 2 customers found this review helpful)


ProRMP Studio Re-Amper

By Bryan Saylor

from Undisclosed

Comments about Radial Engineering Pro RMP Passive Reamping Direct Box:

After getting a chance to use this in a couple sessions I have no regrets buying this box. It's easy to use and sounds great as it is pretty much transparent in the signal chain. So far I've used to reamp a sequenced drums, DI'd bass & guitar, and synths. I had a lot of fun combining multiple takes of guitar sending it out through the ProRMP to an amp and getting an rad chorus sound. I have not used other radial products but after using this I will definitly check them out.
The Radial ProRMP Studio Re-Amper has a nice simple layout with an xlr input, 1/4" output, a button for ground/lift and a output level pot. No bells and whistles it just does what it was intended for.
Awesome build quality. Has a nice weight and feels like there is a hefty transformer inside.

(1 of 1 customers found this review helpful)



By Stagefright

from Philadelphia

About Me Professional Musician

See all my reviews


  • Great Qulity


    Best Uses

    • Professional Recording

    Comments about Radial Engineering Pro RMP Passive Reamping Direct Box:

    Simple studio tool for reamping but unreal quality. Built like A tank. Could prolly run over it with A truck and still work! NO LIE!
    Easily worth the money.

    (1 of 1 customers found this review helpful)


    Great product

    By Jimmy

    from Dallas

    See all my reviews

    Comments about Radial Engineering Pro RMP Passive Reamping Direct Box:

    Overall, I am etremely impressed with this product and will keep an eye out for radial products in the future. I'm glad I finally have a way to change my guitar tone after the fact on real amps as opposed to simulators!
    What can I say? It's a reamper, doesnt need a whole lot of features. I would only complain that it's not active, but the X-amp does that for you if you want to spend twice the price. My interface outputs loud enough for what I need.
    This thing is built solidly! It feels like a rocfk when you get it and given all the effort put into manufacturing, I have no doubt it's the last reamper I will get for my studio.
    I wish it could be a littel cheaper, but quality always comes for a price. It's nice to know I can pay for something that will last forever.

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