Setting the Audio Channel Mode

Operating the 1:4 Splitter for HDMI 4K x 2K

The 1:4 Splitter for HDMI 4K x 2K features a switch that will switch between 2-channel and multichannel audio output.

NOTE: In order for the audio channel mode to be selected, the EDID switch must be set to the Int position. If the EDID switch is set to the Ext position, then the Audio switch will have no effect on the audio output signal. See Setting the EDID Mode for more information on using the EDID.

Using 2-Channel Audio

Use this audio mode when all displays (and/or other sink devices) support only 2-channel LPCM audio.

1.Disconnect the power supply from the splitter.

2.Set the EDID switch to the Int position.

3.Set the Audio switch to the 2ch position.

Set to the 2ch position

4.Reconnect the power supply to the splitter

If the Audio switch is moved from the Multi-chposition to the 2ch position while the splitter is powered, then power-cycle the splitter by disconnecting and reconnecting the power supply in order for the change to take effect.

5.The internal EDID will restrict the audio output to the following format(s), regardless of the audio input format:

Audio Format	Speaker Allocation
LPCM 2CH	FL / FR

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GTB-HD4K2K-144 specifications

The Gefen GTB-HD4K2K-144 is a cutting-edge audio and video distribution solution designed to meet the needs of modern multimedia installations. Ideal for professional environments such as conference rooms, classrooms, and home theaters, this device excels in delivering high-definition content with the utmost clarity and precision.

One of the standout features of the GTB-HD4K2K-144 is its capability to support resolutions up to 4K (3840x2160) at 60Hz, allowing users to experience stunning picture quality with vibrant colors and exceptional detail. This makes it an excellent choice for applications where visual fidelity is of paramount importance, such as digital signage and cinematic presentations.

The device is equipped with HDCP 2.2 compatibility, ensuring seamless integration with most modern HDMI devices while protecting broadcast content from piracy. Its eight HDMI inputs allow users to connect multiple sources, such as Blu-ray players, gaming consoles, and computers, with the ability to manage and switch between them without any loss in performance.

Another remarkable aspect of the GTB-HD4K2K-144 is its advanced technology that includes support for 4:4:4 chroma subsampling, which preserves color accuracy during transmission, and HDR (High Dynamic Range) support for enhanced contrast and brighter colors. This feature enhances the visual experience, making it more immersive for viewers and suitable for high-end video presentations.

Additionally, the unit features a built-in web interface for easy control and management over network connections. This functionality allows users to access and configure the device remotely, providing flexibility for IT administrators and technicians who need to make adjustments on the fly.

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In summary, the Gefen GTB-HD4K2K-144 is an impressive multimedia distribution solution that combines high performance, advanced technologies, and user-friendly management features. Whether in a corporate setting or a home theater, its specifications make it a valuable asset for delivering quality audiovisual experiences.

Gefen GTB-HD4K2K-144 user manual Setting the Audio Channel Mode, Using 2-Channel Audio

Models: GTB-HD4K2K-144