Thank you, and congratulations on your choice of the BOSS ME-50 Guitar Multiple Effects.
Before using this unit, carefully read the sections entitled:
“USING THE UNIT SAFELY” (page 2–3)
“IMPORTANT NOTES” (page 4)
These sections provide important information concerning the proper operation of the unit. Additionally, in order to
feel assured that you have gained a good grasp of every feature provided by your new unit, owner’s manual should
be read in its entirety. The manual should be saved and kept on hand as a convenient reference.
Simple Operation—Works Like a
Compact Effects Processor
Each effect is controlled with a dedicated knob.
Intuitive operation, similar to that of compact effects
processors, lets you make changes to tones directly.
Powerful COSM Drive Sound
Roland’s original “COSM” modeling technology lets
you perform with a wide variety of powerful distortion
effects, from classic vintage sounds, to original
Multi-Function Expression Pedal
The ME-50 is equipped with an expression pedal that
gives you control over six different specialized pedal
effects. It can also be switched for use as a volume
You can store up to 30 original tones you have created.
You can also use the pedals in “Memory mode” to call
up stored tones instantly.
AUX IN Jack
The AUX IN jack makes it easy to practice along with
CDs, MDs, and other input.
The ME-50 can be powered in two ways, with (6) AA
batteries or by using the AC adaptor (optional).
COSM (Composite Object Sound Modeling)
Composite Object Sound Modeling (COSM) is Roland’s
innovative and powerful sound modeling technology.
COSM analyzes the many factors that make up the
original sound, such as the electrical and physical
characteristics of the original, and then produces a
digital model that can reproduce the same sound.
Copyright © 2002 BOSS CORPORATION
All rights reserved. No part of this publication
may be reproduced in any form without the
written permission of BOSS CORPORATION.