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This professional 4×2 HDMI matrix switch adopts HDMI2.0 solution with full HDCP2.2 certification. It connects up to four HDMI source devices and two HDMI monitors/TVs, enabling free independent source assignment for each output screen: different sources on two displays or identical signal output for dual-screen synchronous display. Equipped with standalone SPDIF audio output to extract digital surround audio separately. Users operate switching via front panel keys or matched IR remote controller effortlessly. No external software installation required, ideal for home theater, multi-screen gaming station, office meeting room and commercial digital signage application.