HDMI 2.1 eARC extractor with 3 port swtich

HA2-320es is a HDMI2.1 eARC audio extractor with 3 port HDMI switch and eARC output por. Scenario 1, if TV with eARC and support more than 7.1 ch audio, with this box audio is extracted via eARC port and routing to the eARC output of HA2-320es. The video content on TV is highest resolution and audio can show more than 7.1 CH. Scenario 2, TV set with 8K but less 7.1CH auido support, the input of HDMI port with higher 7.1 CH audio input, the audio is routed into the eARC port of HA2-320es then to the soundbar, it means that user will have 8K video and also more than 7.CH audio listening experience without changing the TV set.
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