Roland GO:MIXER PRO-X Audio Mixer for Smartphones

Introduction

The Roland GO:MIXER PRO-X is a compact audio mixer designed for mobile content creators. It allows users to connect and mix multiple audio sources directly to their smartphone or tablet, ensuring high-quality audio for music videos, web shows, podcasts, and livestreams.

Key Features

• Palm-sized Design: Highly portable for on-the-go use.
• Multi-Input Capability: Connect and mix up to seven audio input sources simultaneously.
• Versatile Connectivity: Supports microphones (XLR with 48V phantom power), musical instruments (guitar/bass, keyboard), and line-in devices.
• Loop Back Function: Enables playing along with backing tracks from your mobile device.
• Multiple Connection Cables Included: Comes with USB Micro-B to USB-C, USB Micro-B to Lightning, and TRRS to TRRS cables for broad compatibility.
• Flexible Power Options: Can be powered by your smartphone or four AAA alkaline batteries.

Package Contents

Verify that all items listed below are included in your Roland GO:MIXER PRO-X package:

• Roland GO:MIXER PRO-X Unit
• USB Micro-B to USB-C Cable
• USB Micro-B to Lightning Cable
• TRRS to TRRS Cable (3.5mm audio cable)
• Owner's Manual (refer to the included PDF or online resources)

Image: The Roland GO:MIXER PRO-X unit, its retail box, and the three included connection cables (USB Micro-B to USB-C, USB Micro-B to Lightning, and TRRS to TRRS).

Setup Guide

1. Powering the Unit

The GO:MIXER PRO-X can be powered either by your smartphone or by four AAA alkaline batteries.

1. Smartphone Power: Connect the appropriate USB cable (USB Micro-B to USB-C or USB Micro-B to Lightning) from the GO:MIXER PRO-X to your smartphone. The unit will draw power directly from your device.
2. Battery Power: Open the battery compartment on the underside of the unit. Insert four AAA alkaline batteries, ensuring correct polarity. Close the compartment securely. Use the "BATTERY OFF ON" switch to power the unit.

Image: The underside of the GO:MIXER PRO-X, highlighting the USB Micro-B port and the battery compartment switch.

2. Connecting Audio Sources

The GO:MIXER PRO-X offers various input options for different audio sources:

• Microphone (XLR): Connect an XLR microphone to the dedicated MIC A input. If your microphone requires phantom power (48V), ensure the "PHANTOM POWER" switch is set to ON.
• Guitar/Bass: Plug your instrument into the "GUITAR/BASS" input. Use the PAD switch if the signal is too strong.
• Instrument (L/MONO, R): Connect keyboards, drum machines, or other stereo instruments to the "INSTRUMENT" L/MONO and R inputs.
• Line In (1, 2): Use the "LINE IN" 1 and 2 inputs for connecting other audio devices like media players or additional mixers.

Image: An angled view of the GO:MIXER PRO-X, showcasing the XLR microphone input, guitar/bass input, smartphone in/out, and phantom power switch on one side.

Image: Two side views of the GO:MIXER PRO-X. The top view shows the guitar/bass input, smartphone in/out, and XLR mic input. The bottom view shows the L/MONO and R instrument inputs.

3. Connecting Headphones/Headset

Connect your headphones or a headset to the "HEADPHONE/HEADSET" jack for monitoring your audio. This allows you to hear the mixed sound in real-time.

Operating the GO:MIXER PRO-X

1. Adjusting Input Levels

Use the dedicated knobs on the top panel to adjust the volume levels for each connected input source (keyboard, microphone, guitar/bass, and line-in). The large central knob controls the overall master volume.

Image: The top panel of the GO:MIXER PRO-X, displaying the individual volume knobs for each input and the master volume control.

2. Loop Back Function

The Loop Back function allows you to record audio from your smartphone (e.g., backing tracks, music) along with your live inputs. Toggle the "LOOP BACK" switch ON or OFF as needed.

3. Recording and Streaming

Once all sources are connected and levels are set, open your preferred recording or live streaming application on your smartphone. The GO:MIXER PRO-X will be recognized as an external audio interface, providing high-quality mixed audio directly to your application.

Image: The GO:MIXER PRO-X in use, connected to a smartphone that is displaying a live streaming interface, demonstrating its application for content creation.

Image: The GO:MIXER PRO-X connected to a smartphone, a microphone, and a guitar, illustrating its multi-input capability for recording or live performance.

4. Understanding the Connection Diagram

Image: A detailed diagram illustrating how various audio sources, including keyboards, headphones, microphones, guitars, and DJ equipment, connect to the different input ports of the GO:MIXER PRO-X.

Maintenance

• Keep the unit clean by wiping it with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
• Store the GO:MIXER PRO-X in a cool, dry place away from direct sunlight and extreme temperatures.
• When not in use for extended periods, remove the AAA batteries to prevent leakage.
• Handle all cables and connectors with care to prevent damage to the ports.

Troubleshooting

No Sound Output:

• Ensure all cables are securely connected to the correct input/output jacks.
• Check the volume knobs on the GO:MIXER PRO-X and your connected device.
• Verify that the correct audio input is selected in your recording/streaming application.
• If using battery power, check if the batteries are correctly inserted and have sufficient charge.

Distorted Sound:

• Reduce the input levels on the GO:MIXER PRO-X to prevent clipping (indicated by the PEAK light).
• If using a guitar/bass, ensure the PAD switch is engaged if the signal is too hot.
• Check the audio settings in your recording/streaming application.

Microphone Not Working (XLR):

• Confirm the microphone is properly connected to the MIC A input.
• If using a condenser microphone, ensure the 48V PHANTOM POWER switch is turned ON.
• Test with another microphone or cable to rule out faulty equipment.

For more detailed troubleshooting, please refer to the official Roland GO:MIXER PRO-X User Manual (PDF) available on the Roland website or via the link provided in your product documentation.

Download Official User Manual (PDF)

Technical Specifications

Warranty and Support

The Roland GO:MIXER PRO-X comes with a 2-Year Warranty upon registration with Roland. For detailed warranty information, product support, and service inquiries, please visit the official Roland website or contact their customer service.

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