Logitech A20 Wireless Headset Gen 2

ASTRO Gaming A20 Wireless Headset Gen 2 User Manual

For Xbox Series X|S, Xbox One, PC & Mac

1. Introduction

The ASTRO Gaming A20 Wireless Headset Gen 2 provides a high-quality audio experience for gaming across multiple platforms. This manual details the setup, operation, maintenance, and troubleshooting for your headset, ensuring optimal performance and longevity.

ASTRO Gaming A20 Wireless Headset Gen 2

Image 1.1: The ASTRO Gaming A20 Wireless Headset Gen 2, featuring a white and green design.

2. Package Contents

Verify that all items are present in your product packaging:

  • ASTRO Gaming A20 Wireless Headset Gen 2
  • USB Transmitter (Console Specific)
  • USB-C to USB-A Charging Cable
ASTRO Gaming A20 Wireless Headset Gen 2 and accessories

Image 2.1: Contents of the ASTRO Gaming A20 Wireless Headset Gen 2 package, including the headset, USB transmitter, and charging cable.

3. Setup

3.1 Initial Charging

Before first use, fully charge the headset. Connect the USB-C end of the charging cable to the headset's USB-C port and the USB-A end to a powered USB-A port on your console, PC, or a wall adapter. A full charge provides approximately 15 hours of battery life.

3.2 Connecting to Xbox (Series X|S, Xbox One)

  1. Plug the USB Transmitter into an available USB port on your Xbox console.
  2. Power on your ASTRO A20 Wireless Headset.
  3. The headset and transmitter should automatically pair. The LED indicator on both devices will show a solid light when connected.
  4. Ensure your Xbox audio output settings are configured to send audio to the headset.

3.3 Connecting to PC / Mac

  1. Plug the USB Transmitter into an available USB port on your PC or Mac.
  2. Power on your ASTRO A20 Wireless Headset.
  3. The headset and transmitter should automatically pair. The LED indicator on both devices will show a solid light when connected.
  4. Navigate to your operating system's sound settings and select the ASTRO A20 as the default playback and recording device.
ASTRO Gaming A20 Wireless Headset Gen 2 connected to an Xbox console via USB transmitter

Image 3.1: The ASTRO Gaming A20 Wireless Headset Gen 2 demonstrating cross-platform connectivity with an Xbox console.

4. Operating Instructions

4.1 Headset Controls

The ASTRO A20 Gen 2 features intuitive controls located on the headset for easy access during gameplay.

  • Power Button: Turns the headset on or off.
  • Volume Wheel: Adjusts the overall audio volume.
  • Game/Voice Balance Buttons: Allows you to adjust the balance between game audio and voice chat audio. Press the 'Game' button to increase game volume relative to chat, or the 'Voice' button to increase chat volume relative to game.
  • EQ Preset Button: Cycles through 3 different equalizer presets to optimize audio for various content types.
  • Flip-to-Mute Microphone: Flipping the microphone boom arm up mutes the microphone. Flipping it down unmutes it.
ASTRO Gaming A20 Wireless Headset Gen 2 with microphone flipped up

Image 4.1: The ASTRO Gaming A20 Wireless Headset Gen 2 demonstrating the flip-to-mute microphone feature.

4.2 Battery Life and Charging

The headset provides over 15 hours of continuous use on a full charge. When the battery is low, you will hear an audible alert. Recharge the headset using the provided USB-C to USB-A cable as described in Section 3.1.

ASTRO Gaming A20 Wireless Headset Gen 2 indicating 15+ hours of battery life

Image 4.2: The ASTRO Gaming A20 Wireless Headset Gen 2 highlighting its 15+ hours of battery life.

5. Maintenance

Proper care ensures the longevity and performance of your headset:

  • Cleaning: Use a soft, dry cloth to clean the headset. Avoid abrasive cleaners or solvents.
  • Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
  • Battery Care: For optimal battery health, avoid fully discharging the battery frequently. Recharge when the low battery indicator appears.

6. Troubleshooting

If you encounter issues with your ASTRO A20 Wireless Headset Gen 2, refer to the following common solutions:

IssuePossible Solution
No audio / Headset not connecting
  • Ensure the headset is powered on and fully charged.
  • Verify the USB Transmitter is securely plugged into the console/PC. Try a different USB port.
  • Power cycle both the headset and the console/PC.
  • Check console/PC sound settings to ensure ASTRO A20 is selected as the default audio device.
Microphone not working / Static in mic
  • Ensure the microphone boom is flipped down to unmute.
  • Check console/PC microphone input settings.
  • Test the microphone in a different application or on another device if possible.
  • Ensure the USB transmitter is firmly connected.
Short battery life / Not charging
  • Ensure the USB-C to USB-A charging cable is used and connected to a powered USB-A port.
  • Avoid using USB-C to USB-C cables or ports for charging, as this headset is designed for USB-A charging.
  • Allow the headset to charge for at least 3 hours for a full charge.
Audio cutting out / Wireless range issues
  • Ensure there are no major obstructions between the headset and the USB Transmitter.
  • Minimize interference from other 2.4 GHz wireless devices.
  • Keep within the 15-meter (50-foot) wireless range.

7. Specifications

FeatureDetail
Model NameASTRO A20 Wireless Headset Gen 2
Item Model Number939-001882
Connectivity TechnologyWireless (RF 2.4 GHz)
Wireless RangeUp to 15 meters (50 feet)
Battery LifeApproximately 15 hours
Audio Driver Size40 mm Dynamic Drivers
Frequency Range20 Hz - 20 kHz
MicrophoneFlip-to-mute functionality
ControlsVolume wheel, Game/Voice balance, EQ preset button
Charging PortUSB-C (for charging via USB-A source)
Weight318 Grams (11.2 ounces)
Compatible DevicesXbox Series X|S, Xbox One, PC, Mac

8. Warranty and Support

For detailed warranty information, technical support, and additional resources, please visit the official Logitech G / ASTRO Gaming support website. You can also refer to the official User Guide PDF for further details:

© 2025 Logitech. All rights reserved. ASTRO Gaming is a brand of Logitech.

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