1. Introduction
The Haomuren MU7-C is a versatile dynamic microphone designed for high-quality audio capture in various applications, including podcasting, recording, live streaming, and gaming. It offers dual connectivity options: USB for direct plug-and-play with computers and consoles, and XLR for professional setups with sound cards and mixers. This manual will guide you through the setup, operation, and maintenance of your microphone to ensure optimal performance.

2. Package Contents
Please check the box for the following items:
- MU7 Dynamic Microphone × 1
- Desktop Stand × 1
- USB Cable (Type-C to USB-A) × 1
- User Manual × 1
- Packing box × 1

3. Product Overview
3.1 Microphone Controls and Interfaces

- MUTE/MC Button: Short press to mute/unmute the microphone. Long press to activate/deactivate noise reduction.
- MODE Knob: Adjusts microphone gain or monitoring volume depending on the active mode.
- ECHO Knob: Adjusts the reverberation effect.
- Internal Recording Switch (Inside Button): Toggles the built-in playback function when connected to a computer.
- Mode Indicator Light: Indicates the current mode (microphone or monitoring) and noise reduction status.

- USB Type-C Connector: For direct connection to computers and consoles.
- 3.5mm Headphone Jack: For real-time audio monitoring.
- XLR Connector: For professional connection to sound cards and mixers.
3.2 Light Panel Description

- MUTE Button Light:
- Short press: Microphone off (red light), Microphone on (pink light).
- Long press (in microphone mode): Noise reduction on (green light), Noise reduction off (blue light).
- Mode Indicator Lights:
- Orange light adjustment: Listening volume.
- Blue light adjustment: Microphone gain.
4. Setup and Connection
4.1 USB Connection (Plug and Play)
The MU7-C microphone can be directly connected to your computer (Windows/macOS) or gaming console (PS4/PS5) via USB for immediate use.
- Connect the USB-A end of the provided cable to an available USB port on your computer or console.
- Connect the Type-C end of the cable to the USB Type-C port on the bottom of the microphone.
- Your system should automatically recognize the device and install necessary drivers.

4.2 XLR Connection (Professional Audio Devices)
For advanced audio setups, the MU7-C can be connected to a sound card mixer or other audio devices via XLR.
- Connect an XLR cable (not included) to the XLR connector on the bottom of the microphone.
- Connect the other end of the XLR cable to the XLR input on your sound card, mixer, or audio interface.
Note: When using the XLR connection, the microphone's integrated control buttons (MUTE/MC, MODE, ECHO) and monitoring functions will not be active. The microphone will function as a standard dynamic microphone, relying on your external audio device for controls and monitoring.

4.3 Computer Setup (USB Mode)
Windows:
- Plug the MU7-C microphone into your computer via USB.
- Right-click the sound icon in your system tray and select "Sounds".
- Navigate to the "Recording" tab, select "MV7" (or similar name for the microphone), and click "Set Default".

macOS:
- Plug the MU7-C microphone into your computer via USB.
- Open "System Preferences" from the Apple menu or Dock.
- Click on "Sound" to open the Sound preference pane.
- Go to the "Input" tab and select "MV7" (or similar name for the microphone) as your sound input device.

5. Operating Instructions
5.1 MUTE/MC Button
- Short Press: Toggles the microphone on/off. When off, the mode conversion light is red. When on, it's pink.
- Long Press (in microphone mode): Toggles noise reduction on/off. When noise reduction is on, the first switching light is green. When off, it's blue.
5.2 MODE Knob
- Microphone Mode: Short press the MODE button to enter microphone mode. The mode conversion light turns pink. Rotate the knob to adjust the microphone's input volume.
- Monitoring Mode: Short press the MODE button again to enter monitoring mode. The mode conversion light turns green. Rotate the knob to adjust the monitoring sound volume (via the 3.5mm headphone jack). The second conversion light will be orange.
5.3 ECHO Knob
- Rotate this knob to adjust the amount of reverberation (echo) applied to your voice.
5.4 Internal Recording Switch (Inside Button)
- Short press this button to turn on/off the built-in playback function. When on, the button light is blue. When off, the light goes out. This function is primarily used when the microphone is connected to a computer.
6. Specifications
| Feature | Specification |
|---|---|
| Polar Pattern | Cardioid |
| Connection Method | USB, XLR |
| Sensitivity | -50dB ± 3dB |
| Signal-to-noise Ratio | 85dB |
| Dynamic Range | 88dB |
| Equivalent Noise Level | 66dB |
6.1 Frequency Response

6.2 Polar Pattern

7. Troubleshooting
- No Sound/Low Volume (USB Connection):
- Ensure the USB cable is securely connected to both the microphone and your computer/console.
- Verify that the microphone is selected as the default input device in your system's sound settings (refer to Section 4.3).
- Check the MODE knob on the microphone; rotate it to increase microphone gain.
- Ensure the MUTE/MC button is not activated (red light indicates mute).
- Adjust the input volume settings within your recording software or communication application.
- No Sound/Low Volume (XLR Connection):
- Ensure the XLR cable is securely connected to both the microphone and your sound card/mixer.
- Verify that your sound card/mixer is properly configured and receiving input from the XLR channel.
- Adjust gain levels on your sound card/mixer.
- Remember that microphone controls are inactive in XLR mode.
- Distorted Sound:
- Reduce the microphone gain using the MODE knob or your system/software settings.
- Ensure you are not speaking too close to the microphone. Maintain an appropriate distance.
- Excessive Background Noise:
- Long press the MUTE/MC button to activate the noise reduction feature (green light).
- Ensure your recording environment is as quiet as possible.
- Position the microphone to face the sound source directly, utilizing its cardioid polar pattern to minimize off-axis noise.
- Monitoring Issues (3.5mm Headphone Jack):
- Ensure headphones are properly plugged into the 3.5mm jack.
- Short press the MODE button until the mode conversion light is green, then rotate the MODE knob to adjust monitoring volume.
8. User Tips
- Optimal Sound Quality: For the clearest and most professional sound, speak directly into the top of the microphone, utilizing its cardioid pickup pattern.
- Plug-and-Play Convenience: The USB connection offers incredible ease of use, making it a great choice for quick setups for gaming, streaming, or online meetings.
- Professional Setups: Leverage the XLR output for advanced control and integration with sound cards and mixers, ideal for podcast studios or radio applications.
- Noise Reduction: Don't forget to use the built-in noise reduction feature (long press MUTE/MC) to minimize unwanted background sounds, especially in less-than-ideal environments.
- Monitoring: Use the 3.5mm headphone jack for real-time monitoring to ensure your audio levels are perfect before and during recording/streaming.
9. Maintenance
- Cleaning: Use a soft, dry cloth to clean the microphone's exterior. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the microphone in a dry, dust-free environment.
- Handling: Handle the microphone with care. Avoid dropping it or exposing it to extreme temperatures or humidity.
10. Warranty and Support
This product comes with a 12-month warranty from the date of purchase. The warranty will be void under the following conditions:
- Equipment has been altered or modified.
- Misuse, mishandling, or improper operation.
- Maladjustment or excessive wear and tear not due to manufacturing defects.
For any questions or after-sale service, please contact us via email at smt@zealsound.com. We are committed to providing the best possible solution.
11. Product Demonstration Video
Watch this video for a visual guide on the microphone's features and usage:
12. Additional Resources
For a downloadable version of this user manual, please refer to the PDF document: