1. Introdución
The OREI BK-21A is an advanced 8K HDMI 2.1 Switch designed to seamlessly switch between two HDMI 2.1 input devices to a single HDMI output display. This device supports high-resolution video up to 8K@60Hz, 4K@120Hz, and 1080p@240Hz, making it ideal for modern gaming and streaming setups. It features 48Gbps bandwidth and is compliant with HDMI 2.1 and HDCP 2.3 standards, ensuring compatibility with the latest content and devices. Additionally, the BK-21A offers audio extraction capabilities through optical and L/R ports, supporting a wide range of audio formats for an enhanced audio experience. Easy switching is facilitated via a button on the unit or the included IR remote control, with an auto-switching function for convenience.
Image 1.1: OREI BK-21A highlighting key features including 2-to-1 HDMI switching, audio extraction, 4K@120Hz video resolution, and HDMI 2.1/HDCP 2.3 compliance.
2. Contido do paquete
Comprobe o contido do paquete ao abrilo para asegurarse de que estea presente todos os elementos:
- 1x OREI BK-21A 8K HDMI 2.1 Switch
- 1x control remoto IR
- 1x Alimentación 5V/2A
- 1 x Manual de usuario
Image 2.1: Visual representation of the OREI BK-21A package contents, including the switch, power supply, remote control, and user manual.
Vídeo de desembalaxe
Video 2.1: An unboxing video demonstrating the contents of the OREI BK-21A package and providing an initial overview do dispositivo.
3. Produto rematadoview
The OREI BK-21A features a compact and durable metal enclosure designed for efficient heat dissipation and interference reduction. Understanding the layout of its front and rear panels is crucial for proper setup and operation.
Panel frontal
- Ventá IR: Receives signals from the included IR remote control. Ensure it is unobstructed.
- Indicador de potencia: Illuminates when the device is powered on and passes its internal self-test.
- IN 1/IN 2 Indicators: Light up to confirm a solid HDMI connection from input devices.
- Indicador OUT: Lights up to confirm a solid HDMI connection to the display.
- Indicador automático: Illuminates when the switch is in auto-switching mode.
- SWITCH Button: Cambia manualmente polas fontes de entrada HDMI.
- EDID Switches: Used to adjust resolution and frame rate settings for compatibility with various displays. Refer to the user manual for specific configurations.
- SERVICE Port (Micro USB): Used for firmware updates. Connect to a computer with a Micro USB to USB-A cable.
Imaxe 3.1: Fronte view of the OREI BK-21A, showing the IR window, power/input/output/auto indicators, switch button, EDID switches, and service port.
Panel traseiro
- IN 1/IN 2 (HDMI 2.1): Connect your two HDMI source devices (e.g., gaming consoles, streaming boxes).
- OUT (HDMI 2.1): Connect to your display device (e.g., TV, monitor).
- OPTICAL (SPDIF OUT): Optical audio output for connecting to an amplifier ou barra de son.
- L/R (3.5mm Audio Out): Analog stereo audio output for connecting to speakers or an ampmáis vivo.
- DC 5 V: Power input port. Connect the included 5V/2A power adapter here.
Imaxe 3.2: Traseira view of the OREI BK-21A, illustrating the HDMI input/output ports, optical and L/R audio outputs, and DC power input.
4. Configuración
Follow these steps to set up your OREI BK-21A HDMI switch:
- Conectar dispositivos de entrada HDMI: Use high-quality HDMI 2.1 cables (under 30 feet for optimum performance) to connect your two source devices (e.g., PS5, Xbox Series X, Blu-ray player, PC) to the NO 1 e NO 2 ports on the rear panel of the BK-21A.
- Conectar a saída HDMI da pantalla: Use another high-quality HDMI 2.1 cable to connect your display (TV or monitor) to the FÓRA port on the rear panel of the BK-21A.
- Conectar a saída de audio (opcional): If you wish to extract audio, connect your amplifier or soundbar to either the OPTICAL (SPDIF OUT) port or the L/R (3.5mm Audio Out) port. Ensure your audio receiver supports the selected audio format.
- Conectar enerxía: Enchufe o adaptador de alimentación de 5V/2A incluído no DC 5 V port on the rear panel, then plug the adapter into a standard wall outlet. The power indicator on the front panel will light up after an internal self-test.
- Verificar conexións: The IN 1, IN 2, and OUT indicators on the front panel will light up to confirm successful connections.
Image 4.1: Diagram illustrating the connection of two HDMI input sources and one HDMI output display to the OREI BK-21A, with optional audio extraction.
5. Instrucións de funcionamento
The OREI BK-21A offers flexible control options for switching between your connected devices and managing audio settings.
Entradas de conmutación
- Cambio manual: Preme o INTERRUPTOR button on the front panel of the device to cycle between HDMI Input 1 and HDMI Input 2. The corresponding IN indicator will light up.
- Control remoto IR: Use the included IR remote control to directly select Input 1 or Input 2. Point the remote towards the IR window on the front panel.
- Cambio automático: The device supports automatic input switching, which will switch to the last active source. The AUTO indicator will light up when this mode is active.
Extracción de audio
The BK-21A can extract audio from the HDMI signal and output it through dedicated ports:
- Optical (SPDIF OUT): Provides digital audio output. Supports LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD. Note: Optical output is limited to 5.1ch.
- L/R (3.5mm Audio Out): Provides analog stereo audio output. Limited to PCM 2ch.
Ensure your source device is configured to output audio in compatible formats for the selected audio output port.
Xestión EDID
The EDID switches on the front panel allow for advanced management of Extended Display Identification Data. This feature helps ensure optimal compatibility between your source devices and display by adjusting the resolution and frame rate. Refer to the detailed instructions in the user manual for specific EDID settings based on your setup requirements.
Vídeo das características do produto
Video 5.1: A video highlighting the key features and functionalities of the OREI BK-21A, including 4K@120Hz support and audio extraction.
6. Especificacións
| Característica | Descrición |
|---|---|
| Versión HDMI | HDMI 2.1 |
| Conformidade HDCP | HDCP 2.3 |
| Soporte de resolución de vídeo | Up to 8K@60Hz, 4K@120Hz, 1080p@240Hz |
| Ancho de banda | 48 Gbps |
| Soporte HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG Pass Through |
| Formatos de audio (HDMI) | LPCM, Dolby Digital / Plus / EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD |
| Audio Formats (Optical) | LPCM 2/5.1 Channels, Dolby Digital 2/5.1 Channels, DTS 2/5.1 Channels, PCM 2.0 |
| Audio Formats (L/R) | Stereo Only (PCM 2ch) |
| Métodos de conmutación | Manual button, IR Remote, Auto Switching |
| Xestión EDID | Advanced EDID switches for resolution/frame rate adjustment |
| Fonte de alimentación | DC 5V/2A |
| Recinto | Heavy-duty cool metal enclosure |
| Dimensións | Lonxitude: 5.7 cm, Anchura: 2.7 cm, Altura: 0.67 cm |
| Peso | 0.57 pounds (approx. 1.05 lbs shipping weight) |
Image 6.1: Technical specifications and compact dimensions of the OREI BK-21A 8K HDMI 2.1 Switch.
7 Solución de problemas
If you encounter issues with your OREI BK-21A, please refer to the following common troubleshooting steps:
- Sen sinal de vídeo:
- Asegúrate de que todos os cables HDMI estean conectados de forma segura tanto aos dispositivos fonte como ao conmutador e á pantalla.
- Verify that the correct input source is selected on the BK-21A (check IN 1/IN 2 indicators).
- Check the power supply connection and ensure the power indicator is on.
- Try using different HDMI cables, especially certified HDMI 2.1 cables, as cable quality can affect high-resolution signals.
- Adjust the EDID switches on the front panel to a compatible setting for your display.
- Bypass the switch and connect the source directly to the display to confirm the source and display are working correctly.
- Sen saída de audio:
- Ensure your audio system is correctly connected to the OPTICAL or L/R audio output ports.
- Verify that your source device is configured to output audio in a format compatible with the selected audio output (e.g., LPCM for L/R output, or a supported digital format for Optical).
- Check the volume levels on your audio system and source device.
- O control remoto non funciona:
- Ensure there are no obstructions between the remote control and the IR window on the front panel of the switch.
- Comprobe e substitúa a pila do mando a distancia se é necesario.
- Problemas de resolución/frecuencia de actualización:
- Ensure your HDMI cables are rated for HDMI 2.1 and support the desired resolution and refresh rate (e.g., 4K@120Hz).
- Adjust the EDID switches on the front panel to match the capabilities of your display and source.
- Confirm your display and source device settings are configured for the desired resolution and refresh rate.
8. Garantía e soporte
The OREI BK-21A 8K HDMI 2.1 Switch comes with a Garantía do fabricante de 1 anos. For technical assistance, troubleshooting, or warranty claims, please contact OREI support.
- Información de contacto do fabricante: info@orei.com
- Soporte en liña: Visit the OREI websitio web con preguntas frecuentes e recursos adicionais.
Note: Do not update the firmware before consulting OREI support.
