1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your Kisonli i-520 USB 2.0 Computer Speaker. Please read this manual thoroughly before using the product to ensure optimal performance and safety. Keep this manual for future reference.
2. Safety Information
- Do not expose the speaker to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble or repair the speaker yourself. Contact qualified service personnel for assistance.
- Ensure proper ventilation around the speaker to prevent overheating.
- Keep the speaker away from strong magnetic fields.
3. Package Contents
Verify that all items are present in the package:
- 1 x Kisonli i-520 USB 2.0 Computer Speaker
- 1 x User Manual (this document)

Image: The Kisonli i-520 speaker shown alongside its retail packaging, indicating the contents.
4. Product Overview
The Kisonli i-520 is a compact and stylish USB 2.0 multimedia speaker designed to deliver clear stereo audio. It features a 2.0 channel configuration and is powered via a USB connection, making it convenient for various devices.

Image: Front view of the Kisonli i-520 speaker, showcasing its sleek black design and central blue accent.

Image: Rear view of the Kisonli i-520 speaker, highlighting the speaker grilles on both sides.

Image: Close-up of the speaker's connectivity options: a USB cable for power and a 3.5mm audio connector for sound input.
5. Setup
Follow these steps to connect your Kisonli i-520 speaker to your device:
- Connect USB Power: Plug the USB connector of the speaker into an available USB port on your computer, laptop, or a USB power adapter. This provides power to the speaker.
- Connect Audio Input: Plug the 3.5mm audio connector into the headphone jack or audio output port of your device (computer, laptop, smartphone, etc.).
- Adjust Volume: Once connected, adjust the volume using your device's volume controls. The speaker does not have independent volume controls.

Image: The Kisonli i-520 speaker positioned next to a laptop, demonstrating a typical desktop setup.

Image: A Kisonli i-520 speaker connected to a laptop, illustrating the USB and 3.5mm audio cable connections.
6. Operating Instructions
The Kisonli i-520 speaker operates automatically once connected to a powered USB port and an audio source. No additional software or drivers are typically required for most operating systems.
- Power On/Off: The speaker powers on automatically when the USB cable is connected to a powered USB port. Disconnect the USB cable to power off.
- Volume Control: Adjust the playback volume directly from your connected device (computer, smartphone, etc.).
- Audio Source: Ensure your device's audio output is directed to the connected 3.5mm jack.
7. Maintenance
Proper maintenance ensures the longevity of your speaker:
- Cleaning: Use a soft, dry cloth to clean the exterior of the speaker. Do not use liquid cleaners or abrasive materials.
- Storage: Store the speaker in a cool, dry place when not in use for extended periods.
- Handling: Handle the speaker with care to avoid physical damage.
8. Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
- No Sound:
- Ensure the USB cable is securely connected to a powered USB port.
- Verify the 3.5mm audio jack is fully inserted into your device's audio output.
- Check your device's volume settings and ensure it is not muted.
- Confirm that your device's audio output is correctly configured to the external speaker.
- Distorted Sound:
- Lower the volume on your device.
- Ensure the audio source is of good quality.
- Check for any interference from other electronic devices.
- Speaker Not Powering On:
- Try connecting the USB cable to a different USB port or a different USB power adapter.
- Ensure the USB port provides sufficient power (e.g., a direct port on a computer rather than an unpowered USB hub).
9. Specifications
| Brand | Kisonli |
| Model | i-520 |
| Connectivity Technology | USB |
| Color | Black |
| Speaker Type | Multimedia |
| Power Source | Corded Electric (USB Powered) |
| Compatible Devices | TV, Video Game Console, Tablet, Desktop, Laptop, Smartphone, Home Theater |
| Bluetooth Support | No |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 2.0 |
| Country of Origin | China |
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.