OREI BK-21A 8K HDMI 2.1 Switch 2-in-1 Out with Audio Extraction User Manual

1. Introduzione

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. Contenuto della confezione

Si prega di controllare il contenuto della confezione al momento dell'apertura per assicurarsi che siano presenti tutti gli articoli:

1x OREI BK-21A 8K HDMI 2.1 Switch
Telecomando IR 1x
1x alimentatore 5V/2A
1x Manuale utente

Image 2.1: Visual representation of the OREI BK-21A package contents, including the switch, power supply, remote control, and user manual.

Video di unboxing

Video 2.1: An unboxing video demonstrating the contents of the OREI BK-21A package and providing an initial overview del dispositivo.

3. Prodotto finitoview

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.

Pannello frontale

Finestra IR: Receives signals from the included IR remote control. Ensure it is unobstructed.
Indicatore di alimentazione: 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.
Indicatore OUT: Lights up to confirm a solid HDMI connection to the display.
Indicatore AUTOMATICO: Illuminates when the switch is in auto-switching mode.
Pulsante SWITCH: Manually cycles through HDMI input sources.
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.

Immagine 3.1: anteriore view of the OREI BK-21A, showing the IR window, power/input/output/auto indicators, switch button, EDID switches, and service port.

Pannello posteriore

IN 1/IN 2 (HDMI 2.1): Connect your two HDMI source devices (e.g., gaming consoles, streaming boxes).
OUT (HDMI 2.1): Collegalo al tuo dispositivo di visualizzazione (ad esempio, TV, monitor).
OPTICAL (SPDIF OUT): Optical audio output for connecting to an amplifier o soundbar.
L/R (3.5mm Audio Out): Analog stereo audio output for connecting to speakers or an amppiù vivace.
CC 5V: Power input port. Connect the included 5V/2A power adapter here.

Immagine 3.2: posteriore view of the OREI BK-21A, illustrating the HDMI input/output ports, optical and L/R audio outputs, and DC power input.

4. Impostazione

Follow these steps to set up your OREI BK-21A HDMI switch:

Collegare i dispositivi di ingresso 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 NEL 1 E NEL 2 ports on the rear panel of the BK-21A.
Collegare il display di uscita HDMI: Use another high-quality HDMI 2.1 cable to connect your display (TV or monitor) to the FUORI port on the rear panel of the BK-21A.
Collegamento dell'uscita audio (facoltativo): If you wish to extract audio, connect your amplifier or soundbar to either the OPTICAL (SPDIF OUT) porto o il L/R (3.5mm Audio Out) port. Ensure your audio receiver supports the selected audio format.
Connetti alimentazione: Collegare l'adattatore di alimentazione 5V/2A incluso alla CC 5V 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.
Verifica connessioni: The IN 1, IN 2, and OUT indicators on the front panel will light up to confirm successful connections.

OREI BK-21A Two Input to One Output Switching

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. Istruzioni per l'uso

The OREI BK-21A offers flexible control options for switching between your connected devices and managing audio settings.

Ingressi di commutazione

Commutazione manuale: Premere il tasto INTERRUTTORE 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.
Telecomando 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 automatico: 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.

Estrazione 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.

Gestione 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.

Video sulle caratteristiche del prodotto

Video 5.1: A video highlighting the key features and functionalities of the OREI BK-21A, including 4K@120Hz support and audio extraction.

6. Specifiche

Caratteristica	Descrizione
Versione HDMI	Uscita HDMI 2.1
Conformità HDCP	Conformità HDCP 2.3
Supporto per la risoluzione video	Up to 8K@60Hz, 4K@120Hz, 1080p@240Hz
Larghezza di banda	48 Gbps
Supporto HDR	HDR, HDR10, HDR10+, Dolby Vision, HLG Pass Through
Formati audio (HDMI)	LPCM, Dolby Digital / Plus / EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS ad alta risoluzione, 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)
Metodi di cambio	Manual button, IR Remote, Auto Switching
Gestione EDID	Advanced EDID switches for resolution/frame rate adjustment
Alimentazione elettrica	CC 5V/2A
Allegato	Heavy-duty cool metal enclosure
Dimensioni	Lunghezza: 5.7", Larghezza: 2.7", Altezza: 0.67"
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. Risoluzione Dei Problemi

If you encounter issues with your OREI BK-21A, please refer to the following common troubleshooting steps:

Nessun segnale video:
- Assicurarsi che tutti i cavi HDMI siano collegati saldamente sia ai dispositivi sorgente, allo switch, sia al display.
- 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.
- Bypassare l'interruttore e collegare la sorgente direttamente al display per verificare che la sorgente e il display funzionino correttamente.
Nessuna uscita 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.
Il telecomando non funziona:
- Ensure there are no obstructions between the remote control and the IR window on the front panel of the switch.
- Controllare e sostituire la batteria del telecomando se necessario.
Problemi di risoluzione/frequenza di aggiornamento:
- 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. Garanzia e supporto

The OREI BK-21A 8K HDMI 2.1 Switch comes with a Garanzia del produttore di 1 anno. For technical assistance, troubleshooting, or warranty claims, please contact OREI support.

Informazioni di contatto del produttore: info@orei.com
Supporto online: Visit the OREI websito per FAQ e risorse aggiuntive.

Note: Do not update the firmware before consulting OREI support.

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OREI BK-21A