Boss ME-90 User Manual

01
Parameter Guide
© 2023 Roland Corporation
Contents
Eects .................................................2
Eect signal chain ..........................................2
COMP/FX1 (compressor/eect 1) .............................2
Compressor/eect types ....................................2
Knob functions ............................................3
OD/DS (overdrive/distortion) ................................5
Overdrive/distortion types ..................................5
Knob functions ............................................5
MOD (modulation) ..........................................6
Modulation types ..........................................6
Knob functions ............................................7
DELAY .....................................................9
Delay types ...............................................9
Knob functions .......................................... 10
PREAMP ................................................. 12
Preamp type ............................................ 12
Knob functions .......................................... 13
NS (noise suppressor) ..................................... 13
EQ/FX2 (equalizer/eect 2) ................................ 14
Eect type .............................................. 14
Knob functions .......................................... 15
REVERB .................................................. 17
Reverb type ............................................. 17
PEDAL FX (pedal eects) ................................... 18
Pedal eect types ........................................ 18
System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Conguring the system settings ............................ 19
Preset patch list .......................................21
Company names and product names appearing in this document
are registered trademarks or trademarks of their respective
owners.

Boss ME-90 Specifications

General

Bit rate	32 bit
Sample rates	48 - 48 kHz
Sound effects	Chorus, Echo, Looper, Overdrive, Phaser, Pitch shift, Reverberation
Sound effects quantity	97
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired
6.35 mm (1⁄4-inch) input	1
6.35 mm (1⁄4-inch) output	2
Power source type	AC
Built-in display	Yes

Weight and Dimensions

Depth	220 mm
Width	443 mm
Height	67 mm
Weight	2900 g

Summary

COMP/FX1 Compressor Effect 1

Effect Signal Chain

Illustrates the connection order of effects within the signal path.

Compressor Effect Types

Lists available compressor and unique effect types with explanations.

Knob Functions

Details parameters controlled by knobs for each COMP/FX1 effect type.

OD/DS Overdrive Distortion

Overdrive Distortion Types

Lists various overdrive and distortion effect types with explanations.

Knob Functions

Explains the parameters controlled by the DRIVE, TONE, and LEVEL knobs.

MOD Modulation

Modulation Types

Details various modulation effect types and their sonic characteristics.

Knob Functions

Describes the RATE, DEPTH, and E. LEVEL/RESONANCE parameters for modulation effects.

DELAY

Delay Types

Lists different delay effect types and their sonic qualities.

Knob Functions

Explains TIME, FEEDBACK, and E. LEVEL parameters for delay effects.

PREAMP

Preamp Type

Lists available preamp models and their sonic characteristics.

Knob Functions

Details the GAIN, BASS, MIDDLE, TREBLE, and LEVEL parameters for preamp types.

NS Noise Suppressor

Setting Range

Explains how to adjust the threshold parameter for noise reduction.

EQ/FX2 Equalizer Effect 2

Effect Type and Mode

Lists EQ/FX2 effect types and their operational modes.

Knob Functions

Details parameters for EQ/FX2 effects like MODE, BASS, MIDDLE, TREBLE, LEVEL.

REVERB

Reverb Type

Lists available reverb types (ROOM, HALL, SPRING) and their characteristics.

PEDAL FX Pedal Effects

Pedal Effect Types

Details effect types controllable by the expression pedal.

System

Configuring System Settings

Guide to adjusting system parameters like output select, USB, MIDI, tuner settings.

Preset Patch List