4K HDMI Audio Extractor: Extracts HDMI signals to optical and 3.5mm audio outputs, allowing sound to be played through speakers, amplifiers, and headphones. Includes a 3.3ft optical cable and a 4.9ft 3.5mm to 2RCA cable for easy setup. Bidirectional HDMI Splitter: Supports splitting HDMI signals to two HDMI displays, showing the same image on both output devices. Resolution 4K@60Hz: Supports HDMI 1.4 and 3D with input resolutions up to 4K/60Hz Ultra-High Definition, backward compatible with 4K/30Hz, 1080p, 1080i, 720p, 576i, 480p, and 480i. (HDCP 2.2 is not supported). Supports 2ch/5.1ch: The 3.5mm analog output supports 2ch stereo audio, while the SPDIF output supports both 2ch and 5.1ch audio. (If the input source does not support 5.1ch, SPDIF will output 2.0ch). Wide Compatibility: Works with Blu-ray players, DVDs, HD game consoles, satellite TVs, PS3, PS4, PCs, laptops, HD cameras, HD DVRs, etc. It is recommended to use a 5V 1A adapter for this HDMI audio extractor.