1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your MARVO Monka SG-500 RGB USB Speaker. Please read this manual thoroughly before using the product to ensure proper functionality and longevity.
2. Package Contents
Verify that all items listed below are present in your product packaging:
- MARVO Monka SG-500 RGB USB Speakers (2 units)
- Integrated USB 2.0 Power Cable (1.5m)
- Integrated 3.5mm Audio Cable
- Warranty Card
3. Product Overview
The MARVO Monka SG-500 speakers feature a sleek design with integrated RGB lighting and provide stereo audio output.

Figure 3.1: Front view of the MARVO Monka SG-500 RGB USB Speakers, showcasing the integrated RGB lighting around the speaker grilles.

Figure 3.2: Front and rear perspective of one speaker unit, highlighting the speaker grille with RGB lighting on the front and the Monka logo with a bass port on the rear.
Controls and Connections:
- USB 2.0 Cable: Provides power to the speakers.
- 3.5mm Audio Cable: Connects to your audio source (e.g., computer, laptop, smartphone).
- In-line Voice Control: Used for adjusting volume and potentially controlling RGB lighting.
4. Setup Instructions
- Positioning: Place the two speaker units on a flat, stable surface, such as your desk, ensuring they are spaced appropriately for optimal stereo sound.
- Connect Audio Cable: Plug the 3.5mm audio jack into the audio output port of your computer, laptop, or other audio source.
- Connect Power Cable: Plug the USB 2.0 connector into an available USB port on your computer or a compatible USB power adapter (DC-5V-1A).
- Power On: Once both cables are connected, the speakers will power on automatically, and the RGB lighting will illuminate.
5. Operating Instructions
Audio Playback:
- Ensure the speakers are properly connected as described in the Setup Instructions.
- Play audio from your connected device.
- Adjust the volume using the in-line voice control or your device's volume settings.
RGB Lighting:
The speakers feature dynamic RGB lighting. The specific control method for changing lighting modes or turning them off is typically integrated into the in-line control unit. Refer to the in-line controller for buttons or switches related to RGB lighting.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker surfaces. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, store the speakers in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water: These speakers are not waterproof. Avoid exposure to water or excessive moisture.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers. |
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| RGB lighting is not working. |
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| Distorted or poor sound quality. |
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8. Specifications
| Feature | Detail |
|---|---|
| Brand | MARVO |
| Model | SG-500 |
| Speaker Type | Tower, Stereo (2.0 Channel) |
| Power Output | 3W x 2 (RMS) |
| Frequency Response | 20Hz - 20KHz |
| Impedance | 4 Ohm |
| Input Sensitivity | 650mV ± 50mV |
| Stereo Separation | >30dB |
| Speaker Size | 5cm |
| Connectors | USB 2.0 (Power), 3.5mm (Audio) |
| USB Cable Length | 1.5m |
| Lighting | RGB |
| Control Method | In-line Voice Control |
| Input Voltage & Current | DC-5V-1A |
| Dimensions (each speaker) | 115.5 x 106.5 x 181 mm (approx. 4.55"D x 4.19"W x 7.13"H) |
| Weight (total) | 820g (approx. 1.81 lbs) |
9. Warranty and Support
Your MARVO Monka SG-500 speakers come with a Warranty Card. Please refer to the card for specific warranty terms and conditions.
For further support or inquiries, you may visit the official MARVO website or their social media channels: