J-Tech Digital 8K 4x2 HDMI Matrix Switch with Audio Extractor [Model: JTECH-8K42A] is designed to deliver unparalleled performance and flexibility for your entertainment setup. With cutting-edge HDMI 2.1 technology and robust audio features, this matrix switch ensures a seamless experience for gaming, home theaters, and professional AV applications. Key Features: 4 Inputs, 2 Outputs with Up to 8K@60Hz/4K@120Hz Resolution: Connect up to 4 HDMI sources to 2 separate displays. Enjoy stunning visuals with support for 8K@60Hz or 4K@120Hz, HDMI 2.1, HDCP 2.3, HDR10, and Dolby Vision. Advanced Audio Extraction & ARC Functionality: Extract audio in 2Ch, 5.1Ch, or Thru mode to external systems via SPDIF Optical or RCA outputs. ARC (Audio Return Channel) support on Output B allows audio from ARC-compatible displays to be extracted via Optical (RCA not supported for ARC). Audio EDID Mode Selector: Easily switch between Pass/2Ch/5.1Ch EDID modes for maximum audio compatibility. Supports premium audio formats like Dolby HD, DTS-HD, Dolby Atmos, Dolby AC3, DTS, and LPCM. Wide Resolution Compatibility: Supports resolutions from 480P up to 8K@60Hz and color depths of 8/10/12/16Bit (2160P) and 8/10Bit (4320P). Note: In Matrix Mode, one output can display 8K, while the other displays 4K (simultaneous 8K output not supported). Reliable Lifetime Support: Includes a one-year manufacturer replacement warranty. Enjoy free lifetime technical support from J-Tech Digital's customer support team in Stafford, TX, available Mon – Fri, 9AM – 6PM CST.