OREI BK-41A 8K 4x1 HDMI 2.1 Switch User Manual

1. Product Overview

The OREI BK-41A is an advanced 8K 4x1 HDMI 2.1 Switch designed to seamlessly connect up to four HDMI 2.1 source devices to a single display. It supports high-resolution video up to 8K@60Hz and 4K@120Hz, ensuring a pristine visual experience. This switch also features HDR10+, Dolby Vision, and HLG pass-through for enhanced contrast and color depth, along with HDCP 2.3 compliance for protected content. An integrated audio extractor provides optical (SPDIF) and 3.5mm analog L/R audio outputs, allowing for flexible audio routing to soundbars, AV receivers, or stereo systems. Control options include manual front-panel buttons, an infrared (IR) remote control, and intelligent auto-switching.

Figure 1: OREI BK-41A HDMI Switch with various compatible devices.

2. Package Contents

• 1x OREI BK-41A 8K 4x1 HDMI 2.1 Switch
• 1x IR Remote Control (2 AAA batteries included)
• 1x 5V/2A Power Supply
• 1x User Manual

Note: HDMI cables are not included and must be purchased separately. High-quality HDMI cables under 30 feet are recommended for optimal performance.

3. Product Components

3.1 Front Panel

Figure 2: Front Panel Layout

• USB Port: For firmware updates.
• Power Indicator: Illuminates when the device is powered on.
• Output Indicator: Illuminates when a stable HDMI output connection is detected.
• Input 1-4 LEDs: Indicate which HDMI input is currently selected.
• AUTO Button: Toggles automatic input switching mode.
• IR Receiver: Receives signals from the IR remote control.
• SELECT Button: Manually cycles through HDMI inputs.
• EDID Dip Switches: Used to adjust EDID settings for compatibility (refer to manual for specific configurations).

3.2 Rear Panel

Figure 3: Rear Panel Layout

• INPUT 1-4 (HDMI): Connect your HDMI source devices (e.g., game consoles, Blu-ray players, PCs).
• OUTPUT (HDMI): Connect to your display device (e.g., TV, monitor, projector).
• AUDIO OUT (3.5mm): Connect to analog audio systems (e.g., stereo receiver, headphones).
• SPDIF OUT (Optical): Connect to digital audio systems (e.g., soundbar, AV receiver).
• DC 5V: Connect the included 5V/2A power adapter.

4. Setup

Follow these steps to set up your OREI BK-41A HDMI Switch:

1. Connect HDMI Sources: Use high-quality HDMI 2.1 cables to connect your source devices (e.g., game consoles, 8K Blu-ray players, PCs) to the HDMI INPUT 1-4 ports on the rear panel of the switch.
2. Connect to Display: Use a high-quality HDMI 2.1 cable to connect the HDMI OUTPUT port on the rear panel of the switch to the HDMI input on your display device (e.g., 8K UHD TV, monitor, projector).
3. Connect Audio (Optional): If you wish to extract audio, connect your audio system to either the AUDIO OUT (3.5mm) port for analog audio or the SPDIF OUT (Optical) port for digital audio.
4. Connect Power: Plug the included 5V/2A power adapter into the DC 5V port on the rear panel of the switch, then plug the adapter into a power outlet. The Power Indicator LED on the front panel will illuminate.
5. Power On Devices: Power on your display device and all connected HDMI source devices.

Figure 4: Typical Connection Diagram

Figure 5: Easy Plug & Play Setup

5. Operating Instructions

5.1 Input Selection

You can switch between HDMI inputs using one of the following methods:

• Manual Switching: Press the 'SELECT' button on the front panel of the switch to cycle through the HDMI inputs (1-4). The corresponding Input LED will illuminate.
• IR Remote Control: Use the included IR remote control to directly select an input (buttons 1-4) or power the device on/off. Ensure a clear line of sight between the remote and the IR Receiver on the front panel.
• Auto-Switching: Press the 'AUTO' button on the front panel to enable or disable automatic input switching. When enabled, the switch will automatically detect and switch to the most recently activated or powered-on source device.

Figure 6: Easy Switching via Remote or Buttons

5.2 EDID Settings

The EDID (Extended Display Identification Data) dip switches on the front panel allow you to configure the switch's EDID behavior to ensure optimal compatibility between your source devices and display. Refer to the detailed instructions in the included user manual for specific EDID configurations based on your setup requirements (e.g., preferred resolution, refresh rate, or audio format).

5.3 Audio Extraction

The OREI BK-41A can extract audio from the selected HDMI input and output it via the 3.5mm analog or optical SPDIF ports. This is useful for connecting to older audio systems or soundbars that do not support HDMI ARC/eARC. Ensure your audio system is connected to the appropriate audio output port on the switch.

6. Maintenance

To ensure the longevity and optimal performance of your OREI BK-41A HDMI Switch, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the device. Avoid using liquid or aerosol cleaners.
• Ventilation: Ensure the ventilation slots on the sides of the unit are not obstructed to allow for proper heat dissipation.
• Cable Management: Keep HDMI and power cables organized and free from kinks or excessive tension to prevent damage.
• Firmware Updates: Only update firmware if instructed by OREI support. Unauthorized firmware updates may void your warranty.

7. Troubleshooting

If you encounter issues with your OREI BK-41A HDMI Switch, refer to the following troubleshooting tips:

• No Video/Audio Output:
  • Verify all HDMI cables are securely connected and are high-quality HDMI 2.1 compliant.
  • Ensure the switch is powered on and the Power Indicator LED is lit.
  • Confirm the correct input is selected on the switch (check Input LEDs).
  • Check the input selection on your display device.
  • Adjust EDID settings using the dip switches if compatibility issues persist.
• Remote Control Not Responding:
  • Ensure the batteries in the remote control are correctly inserted and not depleted.
  • Check for any obstructions between the remote and the IR Receiver on the switch.
• Audio Extraction Issues:
  • Verify the audio cable (optical or 3.5mm) is securely connected to both the switch and your audio system.
  • Ensure your audio system is set to the correct input source.
  • Check the audio settings on your source device to ensure it's outputting a compatible audio format.

8. Specifications

Figure 7: Key Features

9. Warranty and Support

The OREI BK-41A HDMI Switch comes with a 1-year manufacturer's warranty. OREI also provides lifetime technical support for this product. For any technical assistance or warranty claims, please contact OREI customer support.

Important: Do not update firmware without consulting OREI support to avoid potential issues and maintain warranty validity.