TC HELICON Sound and Vocal Effects Online Broadcaster Platform User Guide

TC HELICON Sound and Vocal Effects Online Broadcaster Platform

Important Safety Instructions

  • Terminals marked with this symbol carry electrical current of sufficient magnitude to constitute risk of electric shock. Use only high-quality professional speaker cables with ¼” TS or twist-locking plugs pre-installed.All other installation or modification should be performed only by qualified personnel.
  • This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock.
  • This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature. Please read the manual.


  • To reduce the risk of electric shock, do not remove the top cover (or the rear section). No user serviceable parts inside.Refer servicing to qualified personnel.
  • To reduce the risk of fire or electric shock, do not expose this appliance to rain an moisture. The apparatus shall not be exposed to dripping or splashing liquids and no objects filled with liquids, such as vases, shall be placed on the apparatus.
  • These service instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions. Repairs have to be performed by qualified service personnel.
  1. Read these instructions.
  2. Keep these instructions.
  3. Heed all warnings.
  4.  Follow all instructions.
  5. Do not use this apparatus near water.
  6. Clean only with dry cloth.
  7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
  8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other.A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
  10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
  11. Use only attachments/accessories specified by the manufacturer.
  12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
  13. Unplug this apparatus during lightning storms or when unused for long periods of time.
  14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
  15. The apparatus shall be connected to a MAINS socket outlet with a protective earthing connection.
  16. Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
  17. Correct disposal of this product: This symbol indicates that this product must not be disposed of with household waste, according to the WEEE Directive (2012/19/EU) and your national law. This product should be taken to a collection center licensed for the recycling of waste electrical and electronic equipment (EEE).The mishandling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the efficient use of natural resources. For more information about where you can take your waste equipment for recycling, please contact your local city office, or your household waste collection service.
  18. Do not install in a confined space, such as a book case or similar unit.
  19. Do not place naked flame sources, such as lighted candles, on the apparatus.
  20. Please keep the environmental aspects of battery disposal in mind. Batteries must be disposed-of at a battery collection point.
  21. This apparatus may be used in tropical and moderate climates up to 45°C.

LEGAL DISCLAIMERMusic Tribe accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description, photograph, or statement contained herein. Technical specifications, appearances and other information are subject to change without notice. All trademarks are the propertyof their respective owners. Midas, Klark Teknik, Lab Gruppen, Lake, Tannoy, Turbosound, TC Electronic, TC Helicon, Behringer, Bugera, Oberheim, Auratone and Coolaudio are trademarks or registered trademarks of Music Tribe Global Brands Ltd.© Music Tribe Global Brands Ltd. 2021 All rights reserved.

LIMITED WARRANTYFor the applicable warranty terms and conditions and additional information regarding Music Tribe’s Limited Warranty, please see complete details online at

Welcome About this document

This Quick Start Guide will help you set up, connect and begin operating your GO XLR.


The GO XLR app is REQUIRED to operate your GO XLR.GO XLR app key features include:

  • EQ, Compress and Gate your mic
  • Set up and dei ne mixer controls
  • Change button/screen colors
  • Create and manage samples
  • Save voice FX settings
  • Direct access to product manuals
  • Access to TC Helicon support


  • Core 2 DUO CPU
  • Ethernet port
  • 1 GB RAM


  • Windows 7, 32-bit or 64-bit
  • Windows 8, 32-bit or 64 bit
  • Windows 10, 32-bit or 64-bit

*Windows is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

Download the app
  1. Download the GO XLR app:a. Go to the GO XLR product page at Click on the Downloads tab.c. Click on the download icon for the latest version of the GO XLR app.d. Follow the onscreen installation instructions.
  2. You may be asked to reboot your computer.
  3. Connect the GO XLR USB cable to your computer when app installation is complete.
  4. Power up GO XLR.
  5. Dominate the Interwebs!
Get the Reference Manual

A full reference manual for GO XLR is also available on the Minimum Hardware: downloads tab at


  1. SCRIBBLE STRIPS for naming channels.
  2. CHANNEL FADERS control individual channel levels in your mix.
  3. CHANNEL MUTE switches of the matching channel in the mixer.
  4. VOICE FX PRESETS allow you to store up to six effects presets.
  5. VOICE FX CONTROLS allow real-time control of the assigned effects parameter.
  6. MEGAPHONE button adds distortion to your voice like a megaphone.
  7. ROBOT button transforms your voice into a machine- like robot.
  8. HARDTUNE tunes your voice to the sound of your music or game.
  9. FX turns on or of all voice FX.
  10. #$* button lets you instantly censor and “bleep out” your mic.
  11. “COUGH” mutes your microphone while the button is held.
  12. SAMPLE PADS hold selected samples and bumpers for instant recall. Hold a button to record a new sample, and then press to play back. Press CLEAR and then one of the four sample pads to clear that sample.
  13. SAMPLE BANK organizes samples and bumpers into groups for instant recall.
  14. XLR MIC INPUT for audio input from professional microphones. For condenser-style microphones that require “phantom power”, go to the AUDIO tab in the GO XLR app and activate the “Condenser” setting under MIC TYPE.
  15. LINE IN for audio input from devices such as phones, tablets, computers, etc.
  16. MIC input for connection to headset microphones. Typically, this headset connection will be a pink connector.NOTE: If you intend to use the popular Blue Yeti* microphone, which has its own built-in headphone output, you should run that built-in headphone output into the GO XLR’s MIC input. For Blue Yeti mics powered via USB, plug the USB connector directly into your computer for power, but do not select the Blue Yeti as an audio source on the computer. Instead, the Blue Yeti’s headphone output will be the audio source for mixing inside GO XLR.
  17. PHONES output jack for your headphones. Typically, the headphone connector will be a green connector.
  18. LINE OUT contains an exact copy of your broadcast stream audio. This connection can be used to connect to a dedicated streaming computer or other devices like speakers.
  19. USB input for PC connection, i rmware updates and remote control with GO XLR app.
  20. OPTICAL input for connection to SONY PlayStation† or Microsoft Xbox‡ consoles.
  21. DC IN accepts power connection through the included 12 V adapter.

*Yeti is a registered trademark of Blue Microphones.†PlayStation is a registered trademark or trademark of Sony Interactive Entertainment Inc. SONY is a registered trademark of Sony Corporation.‡Xbox is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

Connection Diagram

Please register your GO XLRTo register your GO XLR using the GO XLR app, launch GO XLR and click on the ACCOUNT button.Registration of your product is NOT required to use GO XLR, update Firmware or contact support.


Analog Connections
XLR In 1 x XLR, balanced
Phantom power +48 V, switchable via control app
Line In 1 x 1/₈” TRS, stereo
Mic 1 x 1/₈” TRS, biased for computer microphone input
Phones 1 x 1/₈” TRS, stereo
Line Out 1 x 1/₈” TRS, stereo
Motorized faders 4
Backlit LCD scribble strips 4
Rotational  encoders 4
Lighting RGB
Buttons 24
System / Processing
A/D – D/A conversion 24-bit @ 48 kHz
Effects Reverb, echo, pitch shifting, gender (formant shifting), megaphone, robot, hardtune, sampler
Frequency response 10 Hz to 20 kHz, +0/-2 dB
Dynamic range > 110 dB
S/N ratio > 101 dB
Power Supply / Voltage
Power input Standard 12 V DC, center negative

< 1 A (power supply included)

Adapter 12 V DC / 1 A
Power  consumption 10 W


GO XLRThis equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation.

Important information:Changes or modifications to the equipment not expressly approved by Music Tribe can void the user’s authority to use the equipment.

Hereby, Music Tribe declares that this product is in compliance with Directive 2014/35/EU,Directive 2014/30/EU, Directive 2011/65/EU and Amendment 2015/863/EU, Directive 2012/19/EU, Regulation 519/2012 REACH SVHC and Directive 1907/2006/EC.Full text of EU DoC is available at Representative: Music Tribe Brands DK A/SAddress: Ib Spang Olsens Gade 17, DK – 8200 Aarhus N, Denmark


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