TV Audio through the External SpeakersYour TV has a variety of connectors for audio input from devices such as Blu-ray players and DVDplayers and for audio output to such devices as amplifiers. The connectors are listed below.● ARC (Audio Return Channel)● Digital Audio (Optical)● Audio (Analogue)There are several issues to bear in mind when using audio input:● For better audio quality, it is a good idea to use an AV receiver.● The number of connectors and their names and locations may vary depending on the model.● Refer to the external device's operating manual when connecting it to the TV. The numberof external device connectors and their names and locations may vary depending on themanufacturer.HDMI (ARC) ConnectionBefore connecting any external devices and cables to the TV, first verify the model number of the TVyou purchased. A sticker showing the model number is attached to the back of the TV. The connectionmethod varies depending on the model.ARC (Audio Return Channel) enables digital sound output using just an HDMI cable. However, ARC isonly available through the HDMI IN (ARC) port and only when the TV is connected to an ARC-enabledAV receiver." Some models may not support ARC." The number of connectors and their names and locations may vary depending on the model.Connect an HDMI cable to the TV's HDMI IN (ARC) connector and the device's HDMI OUT connector." Some features such as Smart Hub may not be available if the Source is set to HDMI and 3D Auto View isset to On. If this is the case, set 3D Auto View or 3D Mode to Off.