Boss RC-300 User Manual

* This device contains demo data (Phrase Memory 90–99).
Once you delete these, they cannot be recovered. Please back them up as described in “Backing up to your computer” (p. 37).
* With the factory settings, the RC-300’s power will automatically be switched o 10 hours after you stop playing or operating the unit.
If you want to have the power remain on all the time, change the “Auto O” setting to “OFF” as described on “Auto O Settings” (p. 33).
The settings you were editing will be lost when the power is turned o. If you want to keep your settings, you must save your settings
before turning the power o.
Main Features
Welcome to the Loop Station!
The RC-300 is a pedal-type recorder that lets you record audio phrases from your guitar or vocal etc., and play them back by operating the pedal.
You can create a wide variety of performances by layering sound while you record and carry out play back in real time.
• You can save a maximum of approximately 3 hours of stereo sound (*total for all phrase memory) and up to 99 phrase memories.
• Three-track recording allows a wide range of performance possibilities.
• You can input audio in stereo.
• In addition to guitar (INST) input, a MIC input and AUX IN jacks are also provided. You can connect a microphone and loop-record your voice, or
record sound from your digital audio player.
• You can easily connect the RC-300 to your computer using a single USB cable. Once connected, you gain a digital audio connection with your
computer and the ability to export/import loop phrases (WAV les) (p. 36).
• You can apply an eect that is synchronized with the tempo of tracks while you play it back. You can use the EXP (expression) pedal to control
eects (p. 28).
• Two RC-300 units can be synchronized after connecting them together using a MIDI cable (p. 39).
Owner’s Manual

Boss RC-300 Specifications

General

Bit rate	16 bit
Best uses	Guitar
Sample rate	44.1 kHz
Product type	Footswitch/controller
Product color	Red, Black
Sound effects	Yes
Output impedance	2000 Ω
Rhythms quantity	83
Maximum recording time	3 h
Sound effects quantity	-
Display type	LED
Power source type	AC

Weight and Dimensions

Depth	231 mm
Width	536 mm
Height	76 mm
Weight	3900 g

Summary

Basic Operation

Phrase Memory Selection and Recording

How to choose phrase memories and begin capturing audio performances.

Overdubbing, Playback, and Stopping

Techniques for layering performances, looping, and halting operations.

Track Clear and Undo/Redo

Managing recorded tracks and correcting mistakes.

Single and Multi-Track Recording

Methods for recording on one or multiple tracks simultaneously.

Saving and Managing Phrase Memories

Saving a Phrase Memory (Write)

Step-by-step guide to saving the current phrase memory.

Deleting Phrase Memories (Initialize)

Process for erasing phrase memories and resetting their settings.

Phrase Memory Settings

Pedal and Controller Assignments

Customizing functions for pedals and external controllers.

MIDI Sync and Overdubbing Modes

Stereo/Mono Recording and Tempo

Auto Recording and Single Track Play

Using LOOP FX

LOOP FX On/Off and Control

Activating effects and using the EXP pedal for modulation.

Specific Effect Parameter Settings

Specifying LOOP FX Target and Settings

Modulation and Pitch Effect Parameters

Selecting LOOP FX Categories and Types

Choosing specific effects from categories and types.

Connecting to Your Computer via USB

USB Function Settings and File Exchange

Configuring USB functions and managing WAV files with a computer.

Backing Up and Recovering Data via USB

Steps for backing up and restoring RC-300 data and WAV files.

Connecting External MIDI Devices

Synchronizing Two RC-300 Units via MIDI

Steps for synchronizing two RC-300 units for simultaneous playback.

Controlling External Devices and RC-300 with MIDI

Using MIDI to control external gear and the RC-300 itself.

Restoring Factory Settings (Factory Reset)

Troubleshooting

Sound and Operation Problems

Troubleshooting steps for audio issues and operational malfunctions.

Error Message List

Explanations and actions for error messages displayed by the RC-300.

USB and MIDI Connectivity Issues

USING THE UNIT SAFELY