Vintage Digital & Analogue Studio Effects

Vintage Digital

Roland SRP-550

Roland RSP-550 Stereo Signal Processor

After failing to to make an impact with the Roland R-880, Roland went back to what they do best, affordable multi effects processors and the Roland RSP-550 was born. The Roland RSP-550 was a departure from the norm for Roland, gone was the SRV nomenclature, but only for a short while when they returned with the SRV-330.


The Roland RSP-550 is equipped with a wide variety of high-quality effects which are suited to a great range of applications; whether it be for line signal processing or for enhancing musical instrument sounds. Moreover, by using MIDI to connect the unit with external devices, a great number of other performance possibilities can be enjoyed.

2-ln, 2-0ut Routing
The Roland RSP-550 provides true stereo performance, thanks to its 2-ln, 2-0ut system. Moreover, it allows you to obtain stereo processing even when using mono input, such as when using the Send/Returns on a mixer.

Provides a Wide Selection of Algorithms
The Roland RSP-550 contains a complete range of Algorithms, each providing immediately usable and practical combinations of the on-board effects. All 39 were carefully designed to accommodate a particular musical situation. Algorithms include Stereo Reverb, Multi-tap Delay, and Keyboard Multi.

These Algorithms also contribute towards greater convenience and ease whenever you wish to create your own Effects Programs, since a rich variety of sound possibilities can be obtained simply by changing the parameters of an Algorithm.

Store up to 160 Original Effects Programs
In addition to the 39 Preset Effects Programs, you can also store up to 160 Effects Programs of your own. These programs can be selected instantaneously, simply by pressing panel buttons or depressing an external pedal.

Real-Time Parameter Control
Simply by manipulating controls of by depressing a pedal, or an external MIDI device during performance, you can alter selected parameter values, or select a desired Effects Program whenever you wish.

Program Change Mapping
A convenient Program Change Mapping function allows you to match MIDI Program Change Numbers with the Program Numbers of the Roland RSP-550.



Quantization: 16 Bit
Sampling Frequency: 44.1kHz
Frequency Response: 15Hz-21kHz
Dynamic Range: 95dB
THD: 0.02%

Dimensions: 482mm x 44mm x 310mm
Weight: 3.4kg

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Roland RSP-550 Stereo Signal Processor Reviews

Have you owned this product? Let others know what you thought of it.

Community Score


(2 Reviews)

Build Quality 95%
Sound Quality 97%
Usefullness 95%
Mojo/Funk 95%
Reliability 95%

What other owners say..

Great Effects

By Dennis

Build Quality 100%
Sound Quality 100%
Usefullness 100%
Mojo/Funk 100%
Reliability 100%

Got first unit and was so excited about the sound and particularly reverb algorithms so I bought second unit.

Spacy Multi FX

By Rene Kirchner

Build Quality 90%
Sound Quality 95%
Usefullness 90%
Mojo/Funk 90%
Reliability 90%
I purchased an RSP for 775 SEK Swedish crowns which was less than 100,-€ back in 2010. Had it in an electronic studio environment among other FX. Mainly an electronic studio. I mostly used the algos with Reverb, delay, chorus and panning. superb! It features as well the algos of the SDD 320!!!! 4 Settings. Underrated unit- Once in the rack you need to give it some space, because the unit itself (DSP) ist getting pretty hot

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