https://www.eklhd.com/product/matrix_412hn.html
eKL HDMI Matrix 4x2 412HN-4 ports
eKL HDMI Matrix 4x2 412HN adopts a 4-in and 2-out design, supports 1 channel SPDIF optical fiber digital audio output, 2 channels 3.5mm stereo analog audio...
hdmi matrixeklports