Connecting an AV receiver or digital sound bar
You can enjoy Dolby Audio™ multichannel sound from your TV if you connect a digital amplifier or sound
bar (not provided) in either of two ways:
Digital optical audio out (S/PDIF) – Connect a TOSLINK optical cable (not provided) from the TV
to the Optical input on your receiver or sound bar.
HDMI® ARC – Connect an HDMI® cable (not provided) from the HDMI (ARC) connector to the
HDMI® input on your receiver or sound bar. This connection uses the Audio Return Channel
(ARC) feature of the HDMI® specification to output sound from the TV to a compatible device.
To use this feature, you must configure the TV to enable HDMI® ARC, as explained in Enable
HDMI® ARC.
Preparing for Internet connectivity
If you want to watch streaming content and take advantage of the cool features of your Roku TV,
connect it to the Internet through a wireless modem/router or a wireless access point (not provided).
The TV has a built-in wireless LAN adapter.
Note: The TV supports only its internal wireless network adapter—it does not support the use of a USB
network adapter.
Select 4K models have wired in addition to wireless network connectivity. To use the wired network
connection, connect an RJ-45 Ethernet cable (not provided) from the jack on the back of your TV to your
network router or switch. The wired connection supports both 10 Base-T and 100 Base-T Ethernet.
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