Introduction
The llano HDMI 2.1 Switch (3-in-1 Out) allows you to connect up to three HDMI source devices to a single display, eliminating the need to constantly swap cables. This advanced switch supports high-resolution video and audio formats, ensuring a seamless and high-quality experience for your entertainment or work setup.
Key features include support for 8K@60Hz and 4K@240Hz resolutions, Variable Refresh Rate (VRR), HDR10+, Dolby Atmos, and CEC. An enhanced signal amplification chipset ensures stable transmission, even with longer cables. Switching between devices is convenient with automatic detection, a manual button, or the included remote control.
Product Features
- Effortless Switching Between Three Devices: Connect up to three HDMI source devices (e.g., gaming consoles, streaming boxes, laptops) to a single display. Switch easily using the onboard button or the included remote control.
- Enhanced Chipset for Superior Signal Stability: Equipped with an advanced HDMI 2.1 signal amplification chipset, this switch ensures consistent and reliable signal transmission, minimizing flickering and signal degradation.
- Supports Stunning 8K@60Hz Resolution: Fully supports 8K@60Hz Ultra HD video through the latest HDMI 2.1 standard and 48Gbps bandwidth for razor-sharp details and vibrant colors.
- 4K@240Hz High Refresh Rate with VRR: Supports up to 4K@240Hz refresh rate and Variable Refresh Rate (VRR) technology, delivering ultra-smooth, tear-free visuals for high-end gaming and fast-paced content.
- Three Practical Switching Methods: Offers automatic switching (detects recently connected source), remote-controlled switching, and manual switching via the onboard button.
- Recommended Cable Length for Optimal Signal Integrity: For optimal performance at resolutions such as 4K@120Hz, 4K@240Hz, and 8K@60Hz, the total HDMI cable length (input + output) should not exceed 20 ft (approximately 6 meters).
Package Contents
Upon opening the package, you should find the following items:
- llano HDMI 2.1 Switch (3-in-1 Out) Unit
- Remote Control
- USB-C Power Cable
- Instruction Manual
Setup Instructions
Follow these steps to set up your llano HDMI 2.1 Switch:
- Connect Power: Plug the provided USB-C power cable into the switch's power port and connect the other end to a 5V/1A (or higher) USB power adapter (not included) or a USB port on your display.
- Connect Input Devices: Use HDMI 2.1 compatible cables to connect your source devices (e.g., PS5, Xbox, PC, streaming devices) to the INPUT 1, INPUT 2, and INPUT 3 ports on the switch.
- Connect Output Display: Use an HDMI 2.1 compatible cable to connect your display (TV, monitor, projector) to the OUTPUT port on the switch.
- Power On Devices: Ensure all connected source devices and your display are powered on.

Image: The llano HDMI 2.1 Switch connected to various devices, illustrating the 3-in-1 out setup. Note: A 5V/1A power supply is required.
Operating Instructions
The llano HDMI 2.1 Switch offers multiple ways to switch between your connected devices:
- Automatic Switching: The switch can automatically detect and switch to the most recently activated or connected HDMI source.
- Manual Button: Press the 'SELECT' button on the front of the switch to cycle through the connected HDMI input sources. The LED indicators (1, 2, 3) will light up to show the currently active input.
- Remote Control: Use the included remote control to directly select the desired input (1, 2, or 3). Ensure the remote has a clear line of sight to the IR receiver on the switch.

Image: Illustration of the three switching methods: automatic detection, manual button on the device, and remote control.
Optimal Cable Length Guidelines
To ensure the best performance and signal integrity, especially for high resolutions and refresh rates, adhere to the following cable length recommendations:

Image: A table detailing recommended input and output cable lengths, along with wire gauge (AWG), for different resolutions like 8K@60Hz and 4K@240Hz.
- For 8K@60Hz and 4K@240Hz, the total HDMI cable length (input + output) should not exceed 20 feet (approximately 6 meters) using 28AWG cables.
- For 4K@60Hz, the total length can be up to 20 feet using 26AWG cables.
- For 1080P@60Hz, the total length can be up to 50 feet using 24AWG cables.
Troubleshooting
If you encounter issues with your llano HDMI 2.1 Switch, please try the following:
- No Signal/Flickering: Ensure all HDMI cables are securely connected to both the source devices, the switch, and the display. Verify that the total cable length adheres to the recommended guidelines for your resolution. Try using shorter, higher-quality HDMI 2.1 certified cables.
- Power Issue: Confirm the USB-C power cable is properly connected and the switch is receiving adequate power (5V/1A recommended). Try a different USB power source.
- Remote Control Not Working: Check if there are any obstructions between the remote and the switch's IR receiver. Ensure the remote's battery is functional.
- Incorrect Resolution/Refresh Rate: Verify that all connected devices (source and display) support the desired resolution and refresh rate.
- Audio Issues: Check audio settings on your source device and display. Ensure cables are fully inserted.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 1.97 x 3.15 x 0.98 inches |
| Item Weight | 6.7 ounces |
| Item Model Number | 3 in 1 out |
| Connector Type | HDMI |
| Brand | llano |
| Compatible Devices | Laptop, Monitor, PC, Projector, TV Screen |
| Cable Type | USB (for power) |
| Max Resolution | 8K@60Hz, 4K@240Hz |
| Bandwidth | 48Gbps |
| Special Features | VRR, HDR10+, Dolby Atmos, CEC, Aluminum Alloy Case |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official llano website. Keep your purchase receipt for warranty claims.





