Boss EQ-20 Advanced EQ, Owner'S Manual, Page: 1 / 28

Thank you, and congratulations on your choice of BOSS EQ-20 Graphic Equalizer.
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY”
and “IMPORTANT NOTES” (p. 24–26; p. 2–3).
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.
Copyright © 2000 BOSS CORPORATION
All rights reserved. No part of this publication may
be reproduced in any form without the written
permission of BOSS CORPORATION.
Main Features
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This is a 10-band graphic equalizer that lets you vary levels by +/-15 dB from 30 Hz to 12 kHz.
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You can use pedal operations to switch between “MANUAL,” which offers equalization based
on the positions of the controls; and “MEMORY,” which can store nine different equalization
setups in memory. The superior functionality of the unit really becomes evident at those times
when you need to change settings instantly, such as for lead guitar, for cutting, or for booster.
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Features an LCD screen for graphic display of the equalization setups stored in “MEMORY.”
The screen has a handy backlit for use on stage and in dark locations.
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Supports guitar amp send/return (+4 dBu input and output). This makes preamp sound
correction possible.
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Uses a diecast body offering outstanding strength and durability.
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Can run on battery power (six AA type).