Introduction
The ASTRO Gaming A40 TR Headset and MixAmp Pro TR system is designed to provide a superior audio experience for gaming on Xbox One and PC. This system offers advanced customization options, allowing users to adapt the headset for various environments, from home use to competitive tournaments. The MixAmp Pro TR features all-digital components for lag-free and interference-free operation, complemented by the ASTRO Command Center software for precise audio configuration.

Image: The ASTRO Gaming A40 TR Headset and MixAmp Pro TR in white, showcasing the headset with its microphone and the compact MixAmp unit.
Package Contents
- ASTRO Gaming A40 TR Headset
- MixAmp Pro TR
- 2.0m A40 Inline Mute Cable
- 1.5m PC Splitter
- Optical Cable
- USB Cable
Setup
Proper setup ensures optimal performance of your A40 TR Headset and MixAmp Pro TR. Follow these steps for connecting to your Xbox One or PC.
Connecting to Xbox One
- Connect the USB cable from the MixAmp Pro TR to an available USB port on your Xbox One.
- Connect the Optical cable from the MixAmp Pro TR to the Optical Audio Out port on your Xbox One.
- Plug the A40 TR Headset's inline mute cable into the headset port on the front of the MixAmp Pro TR.
- Ensure the MixAmp Pro TR is switched to 'Console Mode' (PS4/PC switch should be set to PS4 for Xbox One compatibility).
- Adjust your Xbox One audio settings to output audio via Optical and chat audio via USB.
Video: An overview of the ASTRO Gaming A40 TR Headset and MixAmp Pro TR, demonstrating its components and basic connections. This video highlights the physical aspects and initial setup steps.
Connecting to PC
- Connect the USB cable from the MixAmp Pro TR to an available USB port on your PC.
- Plug the A40 TR Headset's inline mute cable into the headset port on the front of the MixAmp Pro TR.
- Ensure the MixAmp Pro TR is switched to 'PC Mode' (PS4/PC switch should be set to PC).
- Your PC should automatically recognize the MixAmp Pro TR as an audio device. Configure your sound settings to use the MixAmp Pro TR for both playback and recording.
- For older PCs or specific setups, use the included 1.5m PC Splitter to separate audio and microphone jacks if needed.
Video: A detailed look at the ASTRO Gaming A40 TR Headset and MixAmp Pro TR, focusing on its features and PC compatibility. This video demonstrates how the MixAmp functions as a USB sound card for PC users.
Operating the MixAmp Pro TR
The MixAmp Pro TR provides intuitive controls for managing your audio experience.
- Master Volume Dial: The large dial on the left controls the overall volume of your headset. Turn clockwise to increase, counter-clockwise to decrease.
- Game/Voice Balance Dial: The smaller dial on the right allows you to adjust the balance between game audio and voice chat. Turn towards 'Game' for more game sound, or towards 'Voice' for more chat audio.
- EQ Presets: Cycle through different equalizer presets using the button in the center. These presets are designed for various gaming scenarios and audio preferences.
- Microphone Mute: The microphone can be muted via the inline mute cable on the headset. When muted, the LED indicators on the MixAmp Pro TR will typically turn red.

Image: A top-down view of the ASTRO Gaming A40 TR Headset and MixAmp Pro TR, highlighting the main volume and game/voice balance dials on the MixAmp.
ASTRO Command Center Software
For advanced customization, download and install the ASTRO Command Center software on your PC. This software allows you to:
- Create and save custom EQ settings.
- Adjust microphone settings, including noise gate, mic level, and sidetone.
- Configure stream port output levels for game, chat, and microphone audio.
- Update MixAmp Pro TR firmware.
Video: A comprehensive demonstration of the ASTRO Command Center software, showing how users can customize equalizer presets, microphone settings, and stream port audio levels for the MixAmp Pro TR.
Features
Mod Kit Ready
The A40 TR Headset is designed for customization with Mod Kits (sold separately). These kits allow you to transform your headset from an open-back to a closed-back, noise-isolating setup. Mod Kit components include:
- Noise-Canceling Ear Cushions: Swappable ear cushions (available in cloth or leather) that provide passive noise isolation.
- Voice-Isolating Microphone: An extended boom mic with bi-directional noise cancellation for clear communication in noisy environments.
- Closed-Back Speaker Tags: Speaker tags with sound-isolating gaskets that convert the headset to a closed-back design, further enhancing noise isolation.
- Padded Headband: Interchangeable headbands for personalized comfort and style.
Daisy Chain Functionality
The MixAmp Pro TR supports daisy-chaining, allowing multiple MixAmps to be connected for a private, lag-free, and noise-free chat network. This feature is ideal for LAN parties or team play, enabling direct communication without relying on external chat services.

Image: A gamer wearing the ASTRO Gaming A40 TR Headset, demonstrating its comfortable fit and professional appearance during use.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 939-001534 |
| Connectivity Technology | Wired |
| Headphones Jack | 3.5 mm Jack |
| Frequency Response | 20 to 20,000 Hz |
| Headband Pressure | 2.6N |
| Audio Driver Type | Dynamic Driver |
| Earpiece Shape | Over Ear |
| Special Features | Lightweight, Noise Isolation, Dolby 7.1 Surround Sound |
| Compatible Devices | Xbox One, Xbox Series X|S, PC |
| Item Weight | 0.59 Kilograms (1.3 Pounds) |
| Manufacturer | ASTRO Gaming |
Maintenance
To ensure the longevity and optimal performance of your ASTRO Gaming A40 TR Headset and MixAmp Pro TR, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the headset and MixAmp. Avoid using harsh chemicals or abrasive materials. For ear cushions, gently wipe with a damp cloth and allow to air dry completely.
- Storage: Store the headset and MixAmp in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the devices.
- Cable Care: Handle cables gently. Avoid sharp bends or excessive pulling, which can damage the internal wiring.
- Firmware Updates: Regularly check for and install firmware updates via the ASTRO Command Center software to ensure compatibility and access to the latest features and improvements.
Troubleshooting
If you encounter issues with your A40 TR Headset or MixAmp Pro TR, try the following troubleshooting steps:
- No Audio/Low Volume:
- Ensure all cables are securely connected to the MixAmp, console/PC, and headset.
- Check the Master Volume dial on the MixAmp and your console/PC's audio settings.
- Verify the MixAmp is in the correct mode (Console/PC).
- If on console, ensure optical audio is selected as the output.
- Microphone Not Working:
- Check if the microphone is muted (red LED on MixAmp).
- Ensure the microphone boom is securely inserted into the headset.
- Verify microphone settings in your console/PC's audio configuration and in the ASTRO Command Center.
- Static or Interference:
- Ensure all connections are firm.
- Try connecting the MixAmp to a different USB port.
- Minimize interference from other electronic devices.
- Update MixAmp firmware using ASTRO Command Center.
- ASTRO Command Center Issues:
- Ensure the MixAmp is in PC mode when connected to the computer.
- Restart the software and reconnect the MixAmp.
- Check for software updates.
Warranty and Support
For warranty information, technical support, or further assistance, please visit the official ASTRO Gaming website or contact their customer support. Keep your proof of purchase for warranty claims.
Official ASTRO Gaming Website: www.astrogaming.com





