1. Introduction
This manual provides essential information for the proper use and care of your Moondrop Solis II In-Ear Monitors. The Solis II features a sophisticated 2DD+2BA+4EST hybrid driver configuration, designed for optimal audio performance. Please read this manual thoroughly before using the product.

Image 1.1: The Moondrop Solis II In-Ear Monitors, showcasing their unique silver-cavity design and gold "Golden Sun Bird" emblem.
2. Key Features
- Handmade Silver Cavity: Crafted from 925 silver with a feather-like texture and a 24K gold and silver-plated "Golden Sun Bird" logo.
- Advanced Hybrid Driver Configuration: Utilizes two 10mm dynamic drivers (2DD), two balanced armature drivers (2BA), and four electrostatic drivers (4EST) with a 3-way crossover for detailed sound reproduction.
- Horizontally Opposed Dual Dynamic Drivers Unit System (H.O.D.D.D.U.S.): Enhances bass dynamics and reduces nonlinear distortion.
- High Full-Band Phase Consistency: Ensures accurate soundstage and timbre.
- Interchangeable Cable Design: Features a 0.78-2pin connector for cable replacement and accessory compatibility.

Image 2.1: Detailed view of the Moondrop Solis II's handmade silver cavity, illustrating the intricate craftsmanship involved in its production.

Image 2.2: Exploded view of the Moondrop Solis II, showing the arrangement of its 2DD+2BA+4EST hybrid drivers and internal components.
3. Setup Instructions
- Unpacking: Carefully remove the Solis II IEMs and the included cable from their packaging.
- Cable Connection:
- Identify the left (L) and right (R) indicators on both the IEM earpieces and the 0.78-2pin cable connectors.
- Align the cable connectors with the corresponding ports on the IEMs.
- Gently push the connectors into place until they are secure. Avoid excessive force to prevent damage.
- Source Connection: Connect the 3.5mm single-ended plug of the cable to your audio source (e.g., smartphone, digital audio player, laptop).
- Ear Tip Selection: Select the appropriate size of ear tips for a comfortable and secure fit. A proper seal is crucial for optimal sound quality and noise isolation.

Image 3.1: The Moondrop Solis II IEMs connected to their interchangeable 0.78-2pin cable, ready for use.
4. Operating Instructions
- Wearing the IEMs: Insert the IEMs into your ears, ensuring a snug and comfortable fit. The cable is designed to be worn over the ear for stability.
- Audio Playback: Begin audio playback from your connected device. Adjust the volume to a comfortable listening level.
- Noise Isolation: The Solis II provides sound isolation. Ensure a good ear tip seal to maximize this feature and enhance your listening experience.
- Remote Control (if applicable): If your cable includes an inline remote, refer to its specific instructions for controlling playback and calls.
- Compatible Devices: The Solis II is compatible with various devices including cellphones, laptops, music production equipment, tablets, and televisions that feature a 3.5mm audio output.
5. Maintenance and Care
- Cleaning:
- Regularly clean the ear tips with a soft, dry cloth.
- Gently wipe the IEM shells with a soft, lint-free cloth to remove any dirt or oils. Avoid using harsh chemicals or abrasive materials.
- Ensure no moisture enters the driver units.
- Storage: Store the Solis II in its cushioned package or a dedicated carrying case when not in use to protect it from dust, scratches, and impacts.
- Cable Care: Handle the cable gently. Avoid sharp bends or excessive pulling, which can damage the internal wiring. The cable is retractable, but care should still be taken.
- Water Resistance: The Moondrop Solis II is not water resistant. Avoid exposure to water, sweat, or high humidity to prevent damage.
- Temperature: Avoid exposing the IEMs to extreme temperatures, direct sunlight, or high humidity.
6. Troubleshooting
- No Sound:
- Ensure the cable is securely connected to both the IEMs and the audio source.
- Check the volume level on your audio source.
- Test with a different audio source or cable to isolate the issue.
- Distorted Sound:
- Verify that the cable connections are firm.
- Reduce the volume on your audio source.
- Ensure ear tips are clean and properly seated for a good seal.
- Uncomfortable Fit:
- Experiment with different sizes of ear tips to find the best fit for your ears.
- Adjust the position of the IEMs in your ear canal.
If you continue to experience issues, please contact Moondrop customer support.
7. Product Specifications
| Feature | Specification |
|---|---|
| Model | Solis II Silver-Cavity Tribrid In-Ear Monitors |
| Driver Configuration | 2DD (10mm) + 2BA + 4EST, 3-Way Crossover |
| Impedance | 10Ω ± 15% (@ 1kHz) |
| Sensitivity | 121dBNrms (@1kHz) |
| THD | ≤0.5% (@1kHz) |
| Frequency Response Range | 7Hz-40kHz |
| Effective Frequency Response | 20Hz-20kHz (IEC60318-4, 3dB) |
| Cable Jack | 0.78-2pin |
| Plug | 3.5mm single-ended |
| Material | Metal (925 Silver Cavity) |
| Noise Control | Sound Isolation |
| Water Resistance Level | Not Water Resistant |
| Item Weight | 1.32 pounds |
| Manufacturer | Moondrop |
8. Warranty and Support
For detailed warranty information, product support, or service inquiries, please visit the official Moondrop website or contact your authorized retailer. Keep your proof of purchase for warranty claims.
Moondrop Official Store: Visit Moondrop Store on Amazon





