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Hi Denorx. The HDMI eARC port on the LG CX 55 inch Class 4K Smart OLED TV w/ AI ThinQ® (54.6'' Diag), Model # OLED55CXPUA can handle compressed and uncompressed 5.1 and it can also handle more advanced audio formats and higher audio quality, being able to cope with 32 channels of audio, and even eight-channel 24-bit/192kHz uncompressed 38Mbps data streams. So eARC also supports Dolby Digital Plus (up to 7.1 channels) Dolby TrueHD (up to 7.1 channels), DTS-HD Master Audio (up to 7.1 channels), Dolby Atmos and DTS:X...^IFV
Sorry, there was a problem. Please try again later.Yes but the device it is connected to must also support eArc. The speed of the hdmi cable is also a factor.
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