Introduction
The Moondrop Marigold in-ear earphones are designed for high-fidelity audio reproduction and versatile use. They incorporate a 10mm Beryllium-plated Dome Composite Diaphragm Driver for precise sound and a built-in USB sound card supporting up to 32bit/384kHz high-resolution audio. The unique asymmetric cable design enhances comfort and convenience, allowing the earphones to rest securely around the neck when not in use.
An integrated high-quality MEMS microphone ensures clear communication, while the advanced NPU (Neural Processing Unit) with AI vocal enhancement actively reduces ambient noise during calls and gaming. Users can further customize their audio experience through the Moondrop APP, which provides a professional interface for parametric equalizer adjustments.

Image: Moondrop Marigold earphones with their asymmetric cable design.
What's in the Box
The Moondrop Marigold package includes the following items:
- Moondrop Marigold In-Ear Earphones
- Assorted Eartips
- Anime-girl Card (collectible item)
- Instruction Manual
- Wearing Guidance document
- Leather Carrying Case

Image: Detailed product information and package contents.
Setup
Connecting to Your Device
Equipped with an advanced high-speed USB-C interface and based on the UAC universal digital audio protocol, the Marigold is compatible with most smartphones and tablets that have a USB-C port. Simply plug the USB-C connector into your device's USB-C port. It does not require driver installation for basic functionality.

Image: Earphones connected to a device via USB-C.
Wearing Guidance
The earphones feature an in-ear/neckband style with an asymmetric cable design. For optimal comfort and security, wear the longer side of the cable behind your neck when not in use. Ensure the ear tips create a proper seal in your ear canal for the best sound quality and passive noise isolation. Experiment with the included ear tips to find the best fit for your ears.
Moondrop APP Installation
To access advanced features like the customizable equalizer, download the latest Moondrop APP from your device's app store or the official Moondrop website. Follow the in-app instructions for pairing and setup.
Operating Instructions
Basic Controls (Three-Button Wired Control)
The Marigold features a three-button wired control located on the cable for easy management of audio playback and calls.
- Center Button: Press once to play/pause music or answer/end calls. Press twice to skip to the next track. Press three times to go to the previous track.
- Volume Up (+): Press to increase volume.
- Volume Down (-): Press to decrease volume.
- Voice Assistant: Long press the center button to activate your device's voice assistant.

Image: In-line three-button control for playback and calls.
Microphone Usage and AI Vocal Enhancement
The integrated high-quality MEMS microphone is designed for clear voice pickup during calls and gaming. The embedded NPU with AI vocal enhancement helps to eliminate ambient noise, improving clarity in various environments. Ensure the microphone is positioned appropriately for optimal voice capture.

Image: Embedded NPU for advanced AI vocal enhancement.
Customizing EQ with Moondrop APP
Through the Moondrop APP, users can customize and debug the parameterized equalizer in the Marigold sound card chip. The app provides a professional tuning interface allowing adjustments to parameters such as filter type, frequency point, gain, and Q value. Real-time frequency response is displayed for reference during the tuning process, enhancing usability and accuracy.

Image: Moondrop APP interface for EQ customization on a mobile device.

Image: Moondrop APP interface for EQ customization on a desktop computer.
Maintenance
To ensure the longevity and optimal performance of your Moondrop Marigold earphones, follow these maintenance guidelines:
- Cleaning: Gently wipe the earphones and cable with a soft, dry cloth. Do not use harsh chemicals or abrasive materials. Regularly clean the ear tips and earphone nozzles to prevent wax buildup, which can affect sound quality.
- Storage: When not in use, store the earphones in the provided leather carrying case to protect them from dust, moisture, and physical damage. Avoid extreme temperatures.
- Cable Care: Handle the cable gently. Avoid sharp bends or excessive pulling, which can damage the internal wiring.
Troubleshooting
If you encounter issues with your Moondrop Marigold earphones, refer to the following common troubleshooting steps:
No Sound or Low Volume
- Ensure the USB-C connector is fully inserted into your device.
- Check the volume levels on both your device and using the in-line controls.
- Verify that the earphones are selected as the audio output device in your device's sound settings.
- Inspect the earphone nozzles for any obstructions (e.g., earwax) and clean if necessary.
Microphone Not Working
- Ensure the microphone is not obstructed.
- Check your device's privacy settings to ensure the Moondrop APP or relevant communication apps have permission to access the microphone.
- Test the microphone with another application or device if possible.
Connection Issues
- Ensure your device's USB-C port is clean and free of debris.
- Try connecting the earphones to a different USB-C port or device to rule out a port issue.
EQ Settings Not Applying
- Ensure the Moondrop APP is updated to the latest version.
- Verify that the earphones are properly connected and recognized by the app.
- Save your EQ settings within the app after making changes.
Specifications
Detailed technical specifications for the Moondrop Marigold USB-C In-Ear Earphone:
| Feature | Detail |
|---|---|
| Headphones Jack | USB-C |
| Model Name | MARIGOLD |
| Connectivity Technology | Wired |
| Included Components | Marigold, Eartips, Anime-girl Card, Manual, Wearing Guidance, Leather Case |
| Age Range (Description) | Adult |
| Material | Leather (Case) |
| Specific Uses For Product | Gaming, Travel |
| Compatible Devices | Smartphones, Tablets |
| Item Weight | 0.29 Pounds (4.6 ounces) |
| Control Method | App |
| Number of Items | 1 |
| Audio Driver Type | Dynamic Driver |
| Earpiece Shape | In-ear |
| Hardware Interface | USB Type C |
| Input Device Interface | USB-C |
| Noise Control Features | False (AI Vocal Enhancement for mic, not ANC for listening) |
| Supports Bluetooth Technology | No |
| Special Feature | High-Resolution Audio Support, Customizable EQ via Moondrop APP |
| Manufacturer | MOONDROP |
| Package Dimensions | 4.33 x 3.9 x 1.85 inches |
| Impedance | 32 Ohms |
| Ear Placement | In Ear |
| Form Factor | In Ear |

Image: Frequency response characteristics of the Moondrop Marigold.
Warranty and Support
Warranty Information: Moondrop products are covered by a limited warranty. Please refer to the official Moondrop website or contact customer support for detailed warranty terms and conditions specific to your region.
Customer Support: For technical assistance, troubleshooting, or product inquiries, please visit the official Moondrop website or contact their customer support team. You can find contact information on the Moondrop brand store page: Moondrop Official Store.