Zoom G2 FOUR User Manual

Operation Manual
You must read the Usage and Safety Precautions before use.
©2022 ZOOM CORPORATION
Copying or reprinting this manual in part or in whole without permission is prohibited.
Product names, registered trademarks and company names in this document are the property of their respective companies. All trademarks and
registered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners.
Proper display is not possible on grayscale devices.

Zoom G2 FOUR Specifications

General

Rhythm Patterns	68
Simultaneous Effects	7
Sampling Frequency	44.1 kHz
A/D/A Conversion	24-bit
Rated Input Level	-20 dBu
Maximum Output Level	+5 dBu
Output Impedance	1 kΩ
USB Audio Interface	2 in / 2 out
Amp Models	22
Input	1/4" phone jack
Output	1/4" phone jack
Headphones	1/8" stereo phone jack
Power Supply	AA batteries or AC adapter
Frequency Response	20 Hz - 20 kHz
Input Impedance	470 kΩ
Expression Pedal	Yes
Inputs	1 x 1/4" (guitar)
Outputs	1 x 1/4"
Effect Types	79 (G2 FOUR) / 82 (G2X FOUR)

Summary

Notes about Operation Manual

Glossary of Terms

G2 FOUR/G2X FOUR Structure

Signal Flow Diagram

Illustrates the signal path through effects, amp/cabinet, looper, and rhythm modules.

Patch Memory Overview

Top Panel Controls

Control Interface Overview

Explains the function of buttons, display, knobs, pedal, and footswitches.

Back Panel Connections

Input/Output and Control Ports

Details connections for guitar, audio devices, pedals, and power.

Side Panel Ports

USB and Headphone Connectivity

Describes the USB port for data/audio and headphone output.

Display Screens

Memory Screen Navigation

Navigating and selecting patch memories displayed on the screen.

Effect and Library Screens

Screens for editing effects and browsing the effect list.

MENU Screen for Settings

Accessing and changing system settings via the MENU screen.

Connections and Setup

Connecting External Devices

Guides connecting guitar, audio devices, pedals, and computers via USB.

Power Management

Turning the Unit On and Off

Procedure for powering the unit on and off, including initial output selection.

Sound Adjustment

Adjusting Tonal Character and Output Level

Modifies the overall sound character and volume output.

Performance Features

Switching Patch Memories Live

Changing patch memories during performance.

Using the PRESELECT Function

Enables pre-selection of the next patch memory for seamless live switching.

Effect Editing

Editing Effects and Parameters

Modifying effects, turning them on/off, replacing, reordering, and adjusting parameters.

Footswitch Special Functions

Assigns special functions to footswitches for unique effect control.

Tempo Control

Adjusting Tempo

Sets the tempo for rhythms, looper, and delay effects.

Patch Memory Management

Managing Patch Memories

Renaming, copying, saving, deleting, and creating patch memories.

Tuner Functions

Using and Configuring the Tuner

Activating, setting output, pitch, type, and flat tunings for guitar tuning.

Pedal Effects

Using and Calibrating Pedal Effects

Assigning, setting, and calibrating pedal effects and the expression pedal.

Rhythm and Looper

Using Built-in Rhythms

Setting up and playing rhythm patterns for practice and accompaniment.

Looper Operations

Managing loop recording, playback, overdubbing, undo/redo, and clearing loops.

Audio Interface Functions

Connecting as an Audio Interface

Connecting as an audio interface, installing drivers, and operating with external devices.

System Settings

Making Unit Settings

Configuring output type, AUTO SAVE, ECO mode, start-up, and display contrast.

Firmware and Defaults

Firmware Management and Defaults

Checking versions, updating firmware, and restoring factory default settings.

Troubleshooting Guide

Troubleshooting Common Issues

Diagnoses and resolves common problems like power, sound, noise, effects, and pedal issues.

Technical Specifications