Q8Q3-3 Gaming Home Theater HDMI 2.1 Switch 3x1 8K 4K 120Hz HDR Audio Video Synchronizer 1.8K HDMI 2.1 Switching：Features 3 input ports and 1 output port, supporting resolutions up to 8K@60Hz, 4K@120Hz, and 1080P@240Hz with 4:4:4 8-bit color. 2.Advanced Video and Audio Support：Compatible with VRR, HDR 10, Dolby Vision, and 3D effects. Audio support includes ARC, Dolby Atmos, DTS X, Dolby True HD, DTS-HD Master Audio, and PCM 7.1. 3.Seamless Switching：Experience zero lag, no flashing, and no resolution drop when switching between sources. Eliminates the need for frequent plugging and unplugging. 4.User-Friendly Operation：Plug-and-play design with LED indicators showing active ports. Switch between HDMI sources easily using the panel button or included remote control. 5.Wide Compatibility：Works with various devices including for Xbox One X, PS4 Pro, 4K TVs, Roku 4, Amazon Fire TV, Blu-ray players, and projectors. Compatible with Windows, for Mac OS, and Linux. Specifications: 1.Model: Q8Q3-3 2.HDMI Version: 2.1 3.Input Ports: 3 x HDMI 4.Output Port: 1 x HDMI 5.Max Resolution: 8K@60Hz, 4K@120Hz, 1080P@240Hz 6.Color Depth: 4:4:4 8-bit 7.Video Features: VRR, HDR 10, Dolby Vision, 3D 8.Audio Features: ARC, Dolby Atmos, DTS X, Dolby True HD, DTS-HD Master Audio, PCM 7.1 9.Power Supply: 5V2A (Type-C) 10.Control Methods: Panel button, Remote control 11.CEC Support: Yes Note: A qualified HDMI 2.1 cable no longer than 10 feet3 meters is strongly recommended. Only 3-in-1 output is supported, 1-in-3 output or "bi-directional" is not supported. Auto-onoff is not supported. Sonos-ARC is not supported.