The BZBGEAR BG - 8K - 44MA is a top - notch 4x4 8K 60Hz HDMI matrix switch. It comes with four HDMI 2.1a inputs and four HDMI 2.1a outputs, enabling you to share up to four HDMI sources across four displays. With just a button press, you can switch between multiple sources on different displays or show one source on all displays. It supports 8K resolutions and various high - quality audio formats, delivering professional - grade picture and audio. The switch supports high resolutions like 8K@60Hz 4:2:0, 8K@30Hz 4:4:4, and 4K@120Hz 4:4:4 with HDR. With 48 Gbps of uncompressed bandwidth, it routes HDMI signals without quality loss. All HDMI ports are HDCP 2.3 compliant, and it has auto Downscaling for legacy displays. It also supports Digital S/PDIF and Balanced audio output. You can control it via front panel, IR remote, RS - 232, or TCP/IP (Web GUI). The included IR receiver allows for out - of - sight control. There's also control software accessible via RS - 232. For gamers, it supports 4K at 120Hz, ensuring a smooth and detailed gaming experience. We recommend using a 'Premium High - Speed HDMI' cable, and here are the recommended cable types and lengths for different video resolutions: 8K needs Ultra HDMI 2.1 cable (3m/10ft), 4K60 needs HDMI 2.0 cable (8m/26ft), 4K24 and 1080P need HDMI 1.4 cable (12m/39ft and 15m/49ft respectively). The package includes 1 main unit, 1 DC 12V/3A power adapter, 1 remote control, 1 wide - band IR receiver cable, 1 CD for user manual & command list, and 1 3 - pin Phoenix terminal plug.

Using the BZBGEAR BG - 8K - 44MA is easy. First, connect your HDMI sources to the input ports and your displays to the output ports. Plug in the DC 12V/3A power adapter to power on the unit. You can control it in multiple ways. Use the front panel controls right on the device, or use the IR remote control. If you want to control it from a distance or integrate it into a system, you can use RS - 232 or TCP/IP (Web GUI). When using it for gaming, make sure your game console and TV support 4K at 120Hz to get the best experience. Always use the recommended HDMI cables for different resolutions to ensure the best quality. For maintenance, keep the unit in a cool and dry place. Clean the ports gently with a soft brush if there's dust. When not in use, unplug the power adapter to save energy. Also, make sure to update the control software regularly via the RS - 232 connection for better performance.