OWNER’S MANUAL

Thank you, and congratulations on your choice of the Roland Keyboard Amplifier KC-550/
KC-350.
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

This monitor-speaker amplifier is designed to provide high-quality sound for a variety of
sources, including digital keyboards and sound modules.
The amps’ two-way speaker systems consist of a 38 cm (15-inch) speaker (in the KC-550;
the KC-350 includes a 30 cm [12-inch] speaker) and horn/tweeter. These amps feature
high-power output as well, with the KC-550 outputting 180 watts and the KC-350 120
watts.
The input section features a four-channel stereo mixer. CH 1 is provided with an XLR
connector in addition to supporting mic input.
CH 4 includes a select switch that lets you choose the destination for output. This feature
rounds out the monitor functions.
The KC-550/KC-350 is equipped with a three-band equalizer. Moreover, when combined
with the SHAPE switch, even more tonal variations are possible.
Features a SUBWOOFER OUT jack, allowing connection of a powered subwoofer for
playback of even more impressive bass.
Provided with an RCA phono type AUX IN jack, making it easy to connect devices such
as CD and MD players.
Equipped with line outs, making it convenient to connect to an external mixer or recorder.
Equipped with STEREO LINK function. Stereo playback is enabled simply by connecting
two KC-550 or KC-350 units with a single audio cable (phone type).
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the
written permission of ROLAND CORPORATION.

Before using this unit, carefully read the sections entitled:
IMPORTANT SAFETY INSTRUCTIONS (p. 2)
USING THE UNIT SAFELY (p. 3–p. 4)
IMPORTANT NOTES (p. 5)