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• Optical – Always output audio to the S/PDIF optical port. Turn off the built-in
TV speakers.
Regardless of which setting you choose, your TV automatically mutes the active
audio output when you do any of the following:
• Plug headphones into the headphone jack on the TV.
• Plug headphones a Roku remote that supports wireless private listening.
• Turn on wireless private listening in the Roku mobile app.
Setting up a digital audio connection
To take advantage of your TV’s advanced audio capabilities, connect it to an external
amplifier, receiver, or soundbar by using either of these two digital audio connections:
• HDMI ARC or HDMI eARC – The HDMI
®
Audio Return Channel (ARC) or
on select TVs only
, the HDMI
®
Enhanced ARC (eARC) connector
enables the TV to output digital audio on one of its HDMI
®
connectors.
The connected amplifier then can function simultaneously as an input source to
the TV, if needed, without the need to use additional cables.
To use the ARC or eARC capability, you must connect an HDMI
®
cable from
your amplifier’s HDMI
®
ARC or eARC connector to the HDMI ARC or HDMI
eARC connector on the TV. You also must do the following:
• Be sure your HDMI
®
cable is HDMI
®
certified.
• Select Auto or ARC under Settings > Audio > Audio output.
• S/PDIF optical – The S/PDIF optical connector outputs a digital
audio signal. To use the optical output, connect a TOSLINK optical
cable from the amplifier to the Optical or S/PDIF connector on the
TV.
Important:
To make sure the S/PDIF outputs audio reliably, you must turn off
the TV’s speakers. To do so, from the Home screen menu, navigate to Settings
> Audio > Audio output and change the setting to Optical.
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