Introduction
The HyperX Audio Mixer is designed for creators requiring precise control over their audio sources. It facilitates mixing up to three audio inputs: an XLR microphone, a 3.5mm microphone, and a stereo 3.5mm line input. This compact USB 3-track mixer offers intuitive controls for seamless audio management during recording or streaming. It supports 24-bit/96kHz recording, ensuring professional-quality sound.
Package Contents
- HyperX Audio Mixer
- XLR Cable
- USB-C to USB-A Cable
- 3.5mm Cable
Product Overview
Front Panel
The front panel features three faders for adjusting input levels, two volume knobs for line and headphone outputs, and individual mute buttons for each channel. A 48V phantom power button and clip/signal indicators are also present.

Front view of the HyperX Audio Mixer, showing faders, knobs, and indicators.
Rear Panel Ports
The rear panel provides connectivity options including a USB-C port for computer connection, a 3.5mm headphone output, a 3.5mm stereo line input, a 3.5mm microphone input, and an XLR microphone input.

Close-up of the rear panel ports: USB-C, 3.5mm headphone, 3.5mm line, 3.5mm mic, and XLR mic.
Setup
- Connect to Computer: Use the provided USB-C to USB-A cable to connect the HyperX Audio Mixer to your computer. The device is plug-and-play, requiring no additional software installation for basic functionality.
- Connect Microphones:
- For XLR microphones (e.g., HyperX ProCast), connect using the provided XLR cable to the XLR input port. If your XLR microphone requires phantom power, press the 48V button on the mixer.
- For 3.5mm microphones, connect to the dedicated 3.5mm microphone input port.
- Connect Line Input: Connect external audio sources (e.g., smartphone, gaming console) to the 3.5mm stereo line input using a 3.5mm cable.
- Connect Headphones: Plug your headphones into the 3.5mm headphone output for audio monitoring.

Close-up of the USB-C connection between the HyperX Audio Mixer and a laptop, illustrating plug-and-play setup.

HyperX Audio Mixer connected to an XLR microphone on a boom arm, demonstrating compatibility.

Rear view of the HyperX Audio Mixer, highlighting the 3.5mm Line Input, 3.5mm Microphone Input, and XLR Microphone Input ports.
Operating Instructions
Power On/Off
The HyperX Audio Mixer powers on automatically when connected to a computer via USB. Disconnect the USB cable to power off the device.
Adjusting Input Levels
Use the three dedicated faders on the front panel to adjust the input levels for your XLR microphone, 3.5mm microphone, and line input. Monitor the signal and clip indicators to prevent audio distortion.
Monitoring Audio
Adjust your headphone volume using the dedicated knob on the front panel. This allows you to monitor your mixed audio in real-time.
Output Volume
The line output volume knob controls the overall output level sent to your computer or other recording devices.
Mute Functions
Each input channel has a dedicated mute button. Press the button to mute or unmute the corresponding audio source.
Phantom Power (48V)
If using an XLR condenser microphone that requires external power, press the 48V button to activate phantom power. Ensure your microphone supports 48V phantom power before enabling this feature.

Hands adjusting the faders and knobs on the HyperX Audio Mixer, demonstrating intuitive controls.
Maintenance
Cleaning
To clean the HyperX Audio Mixer, use a soft, dry cloth. Avoid using liquid cleaners, solvents, or abrasive materials, as these can damage the device.
Storage
When not in use, store the mixer in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
- No Audio Output:
- Verify all cables are securely connected.
- Check the fader and volume knob positions; ensure they are not at minimum or muted.
- Confirm the HyperX Audio Mixer is selected as the default audio input/output device in your computer's sound settings.
- Microphone Not Working:
- For XLR microphones, ensure 48V phantom power is enabled if required by your microphone.
- Check the microphone's connection and ensure its fader is raised.
- Test with another microphone if possible to rule out microphone issues.
- Distorted Audio:
- Reduce the input fader levels to prevent clipping, indicated by the red 'Clip' light.
- Ensure the microphone is not too close to the sound source, causing overload.
- Device Not Recognized by Computer:
- Try connecting the mixer to a different USB port on your computer.
- Restart your computer.
- Ensure the USB cable is not damaged.
Specifications
| Brand | HyperX |
| Model Number | 73C12AA |
| Item Weight | 1.01 pounds |
| Product Dimensions | 5.7 x 5.5 x 2.3 inches |
| Operating System Compatibility | Windows, Mac |
| Connectivity Technology | USB, XLR |
| Frequency Response | 96 KHz |
| Voltage | 48 Volts (for phantom power) |
Warranty and Support
For detailed warranty information, technical assistance, or customer support, please visit the official HyperX website or contact HyperX customer service directly. Keep your proof of purchase for warranty claims.





