HDMI Matrix can connect up to 4 HDMI Source to 2 HDMI Display terminals with Audio Extractor Function and ARC function with Toslink SPDIF port, coaxial port, 3.5mm Aux port. Please Note: ARC Function and Audio Extractor only supports Output A port.
4K@60Hz, 4K HDR, 3840x2160@60Hz, Ultra HD, 3D, RGB 4:4:4. Support 18.5Gbps data rate and tmds clock up to 600Mhz. Support deep color 8/10/12/24/32/48bit. It supports HDCP 2.2, HDMI2.0b, 4K@60HZ, RGB4:4:4, 4K HDR
Supports LPCM/ Dolby/DTS 5.1 channel and smart EDID management. Any input HD source can do audio extract by the SPDIF or 3.5mm headphone audio output port separately. Built-in IR sensor comes with a handy, intuitive remote control that makes switching inputs, it can do also switch by press button. ARC function achieve audio return. And Only Output A Supports ARC. Note: 3.5mm port not support ARC function and TV HDMI port need to support ARC
Support HDCP2.2, HDMI2.0b. Input support: PS3, PS4 Xbox etc. Output support: Projector, HDTV etc.

Specifications
Product Type:HDMI-CompatibleSplitter 1x4.
Interface Type: 4 HDMI-Compatible in, 2 HDMI-Compatible out
Color: Black
Power Supply: DC 5V.
Max working current: 600mA
Operating Temperature range -15°C to+45°C
Dimension (LxWxH): 170*56*24mm
Weight: 0.175kg

Features
Support HDMI-Compatible 2.0b HDCP 2.2
Support 3D video format
Support highest resolution up to 3840*2160/60Hz
Support 18.5Gbps 3 data rate and tmds clock up to 600Mhz
Support deep color 8/10/12/24/32/48bit
Support HDMI-Compatible audio outputs ,3.5 mm earphone jack and optical output at same time
HDMI-Compatible resolution: up to 3840*2160/60 Hz, RGB 4:4:4
4 HDMI-Compatible inputs switch and split to 2 HDMI-Compatible displays
Support LPCM/Dolby/DTS 5 1 audio