1. Introducció
The ICY BOX IB-SPL1029AC is a versatile USB to Dual HDMI Splitter designed to expand your display capabilities. It allows you to connect two additional HDMI monitors to your computer, supporting resolutions up to 4K@30Hz on one output and 2K@60Hz on the other. This device is compatible with Windows, macOS, and ChromeOS, and features both USB-A and USB-C connectivity options for broad compatibility.
This manual provides essential information for the proper setup, operation, and maintenance of your IB-SPL1029AC splitter.
2. Configuració
2.1 Contingut del paquet
- 1x ICY BOX IB-SPL1029AC USB to Dual HDMI Splitter
- 1x USB-C to USB-A Adapter (integrated)
- 1x Manual d'instruccions (aquest document)
2.2 Instal·lació del controlador
Before connecting the splitter to your computer, it is crucial to install the necessary drivers. This device utilizes Silicon Motion technology. Please follow these steps:
- Navigate to the official Silicon Motion download page: siliconmotion.com/downloads/index.html
- Locate and download the latest drivers compatible with your operating system (Windows, macOS, or ChromeOS) for USB display adapters.
- Seguiu les instruccions que apareixen a la pantalla per completar la instal·lació del controlador. Pot ser necessari reiniciar el sistema.
Nota: Ensure the driver is installed before physically connecting the splitter to avoid potential display issues.
2.3 Connexió de maquinari
Refer to the image below for a visual guide to connecting your splitter.

Imatge 1: acabatview of the ICY BOX IB-SPL1029AC USB to Dual HDMI Splitter, showing the main unit with two HDMI output ports (labeled 2K and 4K), a fixed USB-A cable, and an attached USB-C adapter. A blue LED indicator is visible on the top surface.
- Connexió a l'ordinador: Determine the available USB port on your host computer. If you have a USB-A port, use the integrated USB-A connector. If you have a USB-C port, attach the provided USB-C adapter to the USB-A connector and then plug it into your computer's USB-C port.
- Connecta les pantalles: Connect your primary HDMI display to the HDMI port labeled '4K' on the splitter using a standard HDMI cable. Connect your secondary HDMI display to the HDMI port labeled '2K'.
- Potència: The device is bus-powered via the USB connection and does not require an external power adapter.
3. Instruccions de funcionament
3.1 Modes de visualització
Once connected and drivers are installed, your operating system should detect the additional displays. You can configure the display modes through your computer's display settings:
- Extended Desktop: This mode allows you to extend your desktop across multiple screens, providing more workspace. Each display can show different content.
- Mirror/Duplicate Displays: This mode duplicates your primary display onto the connected external monitors.
The splitter supports one output up to 4K@30Hz and the other up to 2K@60Hz. The specific resolution and refresh rate will depend on your computer's capabilities, the connected displays, and the quality of your HDMI cables.
3.2 Sortida d'àudio
The splitter also supports 2-channel audio via HDMI. You may need to select the connected display as the audio output device in your computer's sound settings.
3.3 Control de programari
The installed Silicon Motion driver may provide additional software utilities for fine-tuning display settings, such as screen rotation or specific display arrangements. Refer to the driver's documentation for more details.
4. Manteniment
To ensure the longevity and optimal performance of your ICY BOX IB-SPL1029AC splitter, please observe the following maintenance guidelines:
- Neteja: Use a soft, dry cloth to clean the device. Avoid using liquid cleaners or solvents, as these can damage the casing o components interns.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes quan no l'utilitzeu.
- Manipulació: Avoid dropping the device or subjecting it to strong impacts. Do not bend or pull the integrated cables excessively.
- Ventilació: Assegureu-vos que el dispositiu tingui una ventilació adequada i que no estigui tapat, ja que això pot provocar un sobreescalfament.
5. Solució De Problemes
If you encounter issues with your IB-SPL1029AC splitter, please refer to the following common solutions:
- Sense sortida de pantalla:
- Ensure the drivers are correctly installed. Reinstalling the drivers may resolve the issue.
- Verify all cables (USB and HDMI) are securely connected.
- Check your computer's display settings to ensure the external monitors are detected and configured for extended or duplicate mode.
- Test with different HDMI cables and monitors to rule out faulty peripherals.
- Try connecting the splitter to a different USB port on your computer.
- Resolució o freqüència d'actualització incorrecta:
- Ensure your displays support the desired resolution and refresh rate.
- Ajusteu la configuració de la pantalla al vostre sistema operatiu.
- Note that one HDMI port supports up to 4K@30Hz, and the other up to 2K@60Hz. Ensure you are using the correct port for your desired resolution.
- Pantalla parpellejant o inestable:
- Comproveu si hi ha connexions de cable soltes.
- Ensure the USB port provides sufficient power. Try a different USB port.
- Update or reinstall the display drivers.
- HDCP Content Not Displaying:
- The ICY BOX IB-SPL1029AC splitter does not support HDCP (High-bandwidth Digital Content Protection). Content protected by HDCP (e.g., Blu-ray movies, some streaming services) will not display through this device. This is a design limitation, not a fault.
6. Especificacions
| Característica | Detall |
|---|---|
| Marca | CAIXA ICY |
| Nom del model | IB-SPL1029AC |
| Número de model de l'article | 61007 |
| Interfície del maquinari | HDMI, USB Type C (with USB-A adapter) |
| Output Resolution 1 | Fins a 4K@30Hz |
| Output Resolution 2 | Fins a 2K@60Hz |
| Suport d'àudio | 2-channel via HDMI |
| Sistemes operatius | Windows, macOS, ChromeOS |
| Font d'alimentació | Alimentat per bus USB |
| Dimensions del producte | 10 x 5 x 1.5 cm |
| Pes | 150 g |
| Suport HDCP | No |
7. Garantia i Suport
For information regarding warranty coverage and terms, please refer to the documentation provided at the time of purchase or visit the official ICY BOX website. If you require technical assistance or have questions not covered in this manual, please contact ICY BOX customer support through their official channels.





