One HDMI input to one HDMI+optical Toslink SPDIF and 3.5mm stereo audio output to achieve synchronization of audio signal separation. (Note: Optical Toslink SPDIF and 3.5mm audio support output to audio channel, amplifier, headset and other audio receivers respectively, without connecting TV/monitor).
eBay
1 3 In 1 Out 4K HDMI Switcher. Support automatic switching, automatically switching to the currently connected port. Input port: 3x HDMI. Output port: 1xHDMI, 1x Fiber optic port, 1x 3.5mm Jack, 2x RCA.
eBay
HDMI Audio Splitter Extractor: [Upgraded 4K@60HZ version] avedio Link HDMI to HDMI Audio Extractor Converter can extract audio from digital HDMI signals to amplifiers, Soundbar, speakers, etc. via optical SPDIF or RCA L/R stereo audio output.
eBay
[Support] 4k@60hz Ultra high definition resolution: Supports 4K x2k@60hz RGB/YUV4:4:4, HDCP2.2, HDMI2.0, 4K 3D HDR 10 Dolby Vision and Dollby Atmos, color format RGB (YUV: 4:4). It is also compatible with the back 4k@30hz And 1080p/1080i/720p/576i/480p/480i.
eBay
This is not the problem of our item but the edid communication failure from those displays. Connect and switch between 2 working hdmi inputs. Supports HDMI audio extraction. Supports HDMI in and out up to 4K@60Hz.
eBay
The 4K@60Hz 4x2 HDMI Audio Extractor Matrix Switch Splitter by Matrix is a high-quality HDMI switch that allows you to easily switch between 4 HDMI sources and split the audio to 2 output devices. With a resolution of 4K@60Hz, this switch provides crystal clear visuals and supports a variety of audio formats. The powered feature ensures that the device is always ready to use, making it a convenient and versatile solution for your entertainment setup.
eBay
HDMI Splitter 1x3: HDMI Splitter 1x3 distributes the input HDMI signals to 3 identical HDMI outputs simultaneously. 4K HDMI-Compatible Splitter 4K HDMI Splitter 1 In 3 Out HDMI Splitter 1x3 For HDTV.
eBay
4K x 2K Video Audio Extractor separator HDMI-Compatible to 3.5MM Audio Converter SPDIF Optical Stereo Out Splitter Adapter. Audio Output: SPDIF+3.5mm Audio. Convert 1 HDMI-compatibleInput to 1 HDMI-compatible+ 1 Audio (SPDIF) Output+ 3.5mm Analog Audio Output.
eBay