Owner’s Manual

Thank you, and congratulations on your choice of the BOSS ME-50B Bass Multiple Effects.

Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” (page 2–3)and “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.

Main features

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.

Multi-Function Expression Pedal

The ME-50B 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 pedal.

High-Quality Sounds Through COSM

With high-quality effects like Compressor/Limiter and Overdrive/Distortion, which make full use of COSM technology, you can perform with a variety of powerful effects, from classic vintage sounds to new and original sounds.

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.

Memory Function

You can store up to 24 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.

Battery-Powered Operation

The ME-50B can be powered in two ways, with (6) AA batteries or by using the AC adaptor (optional).

Copyright © 2003 BOSS CORPORATION

All rights reserved. No part of this publication may be reproduced in any form without the written permission of BOSS CORPORATION.

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Boss Audio Systems ME-50B owner manual Main features
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ME-50B specifications

Boss Audio Systems ME-50B is a versatile and highly regarded multi-effects processor designed specifically for bass guitarists. Known for its robust build quality and rich feature set, the ME-50B offers an array of tools that cater to both live performance and studio environments, making it a popular choice among professional and amateur musicians alike.

One of the standout features of the ME-50B is its user-friendly interface. The pedalboard layout consists of six selection knobs and six footswitches, enabling effortless access to an extensive range of effects. This intuitive design allows bassists to quickly adjust settings and switch between effects, making it ideal for performances where spontaneity is crucial.

The ME-50B is equipped with a comprehensive selection of effects, including various distortions, overdrives, and compression options. Its built-in chorus, flanger, and phaser effects add depth and texture to the bass sound, allowing musicians to explore a wide palette of sonic possibilities. Additionally, the pedal features a powerful EQ section, providing control over frequency levels, which enhances tonal shaping.

Technologically, the ME-50B incorporates COSM (Composite Object Sound Modelling) technology, which delivers high-quality sound processing by accurately replicating the characteristics of classic amplifiers and cabinets. This ensures that players can achieve a range of tonal signatures, from vintage to modern, with ease. Furthermore, the processor includes a built-in tuner, making it a practical tool for on-the-go musicians.

Another significant characteristic of the ME-50B is its loop function, which enables artists to create and layer sounds in real-time. This feature is especially valuable for practicing and composing, allowing players to build complex arrangements with multiple effects.

The ME-50B also supports battery and AC power options, providing flexibility for use anywhere. Its sturdy construction means it can withstand the rigors of gigging, while its relatively lightweight design facilitates portability.

In conclusion, the Boss Audio Systems ME-50B is an exceptional multi-effects processor designed with bassists in mind. Its array of features, including a user-friendly interface, diverse effects, COSM technology, and practical functionality, make it an indispensable tool for musicians looking to enhance their sound. Whether in the studio or on stage, the ME-50B continues to be a reliable choice for bass guitar players seeking creativity and versatility.
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