1. Introduction
The M13 Voice Changer is a versatile audio device designed for real-time voice modification and sound effects. It is suitable for various applications including live streaming, podcast recording, singing, gaming, video creation, and online chatting. Featuring Bluetooth connectivity and a 3.5mm interface, it offers a plug-and-play experience with integrated noise reduction and professional DSP processing for enhanced audio quality.
2. Package Contents
Please verify that all the following items are included in your package:
- 1x M13 Sound Card Voice Changer
- 1x Charging Cable
- 1x Headphone
- 1x Audio Cable
- 1x Microphone

3. Specifications
| Feature | Detail |
|---|---|
| Model | M13 Voice Changer |
| Brand | SODIAL |
| Communication | Wired, Bluetooth 5.0 |
| Set Type | Single Microphone |
| Transducer | Condenser Microphone |
| Use Case | Live Streaming, Gaming, Recording |
| Style | Headset Microphone |
| Interface | 3.5mm Port |
| Material | ABS |
| Dimensions (L x W x H) | 20 cm x 9 cm x 5 cm |
| Weight | 0.192 kg |
| Special Features | DSP Processing Chip, Noise Reduction, 4 Volume Control Rollers, Button Design, Flowing Colored Lights |
4. Setup
The M13 Voice Changer is designed for easy plug-and-play operation, requiring no driver installation.
4.1 Wired Connection
- Connect the provided audio cable to the 3.5mm port on the M13 Voice Changer.
- Connect the other end of the audio cable to your device (PC, smartphone, etc.).
- Plug the included microphone and headphones into their respective 3.5mm ports on the M13 Voice Changer.
- Note for iOS/Type-C devices: Devices with iOS or Type-C interfaces will require a separate interface converter/adapter (not included) to connect to the 3.5mm port.
4.2 Bluetooth Connection
- Power on the M13 Voice Changer.
- Activate Bluetooth on your smartphone or PC.
- Search for available Bluetooth devices and select the M13 Voice Changer to pair.
- The device has a memory function and will automatically pair with your device when used again.


5. Operating Instructions
The M13 Voice Changer allows for real-time voice modification and sound effect manipulation through its intuitive control panel.
5.1 Control Panel Overview

5.2 Voice Modification and Effects
The device features a range of voice effects and sound adjustments:
- Voice Effects: Buttons labeled 'wukong', 'Sister', 'Loliota', 'Pure', 'Baby', 'Voice', 'Gramo', 'Uncle', 'Deep', 'Rap', 'Dodge', 'Eliminator', 'Putin', 'DJ' allow for instant voice changes.
- Volume Control Rollers: Four dedicated rollers enable fine-tuning of various audio levels.
- Trim Function: Use the 'Trim' button for additional sound adjustments.
- Professional Adjustment: The integrated DSP processing chip ensures high-quality sound and unique timbre for different voice styles.

5.3 Specific Sound Effect Descriptions
- Original Sound: Highlights the soundtrack, suitable for karaoke songs and recording platforms.
- KTV: Increases echo and enhances the sense of space.
- Crowing: Matches dynamic rhythm and emphasizes the explosive power of the human voice.
- Recording Studio: Provides large reverberation intensity, strong echo, and spatial sense for a pop star-like performance.
- Gramophone: Adds a subtle reverb to make your sound more magnetic and thick.

5.4 Noise Reduction
The M13 Voice Changer supports noise reduction, ensuring clear audio output for both indoor and outdoor use.
6. Troubleshooting
If you encounter issues with your M13 Voice Changer, please refer to the following common solutions:
- No Sound/Distorted Sound:
- Ensure all cables (audio, microphone, headphones) are securely connected.
- Check the volume control rollers on the device and your connected device.
- Verify that the correct input/output device is selected on your computer or smartphone.
- Bluetooth Connection Issues:
- Make sure the M13 Voice Changer is powered on and in pairing mode (if applicable, though it has memory function).
- Disable and re-enable Bluetooth on your host device.
- Forget the device from your host device's Bluetooth settings and try pairing again.
- Compatibility with iOS/Type-C Devices:
- Remember that iOS devices and other devices with only Type-C ports require a separate 3.5mm adapter/converter (not included) to connect via wired audio.
- Voice Effect Not Working:
- Ensure the microphone is properly connected and positioned.
- Check that you have selected a voice effect button.
7. User Tips
This section typically includes helpful advice from other users. As no specific user reviews or Q&A were provided, here are some general tips to enhance your experience:
- Experiment with Effects: Take time to try out all the different voice effects and sound adjustments to find what works best for your specific application (e.g., gaming character voice, singing style).
- Optimal Microphone Placement: For the best voice capture and effect application, ensure the microphone is positioned correctly, typically a few inches from your mouth.
- Monitor Audio: Use the included headphones to monitor your audio in real-time, allowing you to adjust effects and volumes on the fly for the desired output.
- Charge Regularly: Keep the device charged to ensure uninterrupted use, especially during long live streams or recording sessions.
8. Maintenance
To ensure the longevity and optimal performance of your M13 Voice Changer, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the device. Avoid using liquid cleaners or abrasive materials, as they may damage the finish or internal components.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handle with Care: Avoid dropping the device or subjecting it to strong impacts.
- Cable Care: Do not bend or crimp the cables excessively, as this can lead to internal damage.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for any warranty claims.





