You do not need to connect both.
Bose soundbar coaxial cable.
It will entirely depend on what your tv has for an audio output connection.
If distorted sound secure cable connections on the sound bar and tv or other connected sources.
You will have the option of either digital optical this cable is included in the box or a digital coaxial cable.
The soundbar is so versatile you can place it almost anywhere whether it s in front of the tv on a shelf or even mounted to the wall.
The optical cable has a square connector and the coaxial cable has a circular connector.
Coaxial cable insert the other end of the coaxial cable into the coaxial connector on the soundbar.
The system automatically knows which one you ve used.
An optical cable doesn t allow noise to pass from source to dac circuitry like a coaxial can and so makes sense to use this socket when connecting straight into the dac of a soundbar or av.
Digital to analog audio converter roofull 192khz dac digital coaxial and optical toslink spdif to analog 3 5mm aux and rca l r stereo audio adapter dac converter with fiber and coax cable 4 4 out of 5 stars 637.
Simply connect the solo 5 system to your tv with just one audio cable optical coaxial or analog in order of preference.
This cable isn t necessarily required for the soundbar.
Troubleshoot if the sound bar is connected to a tv output labelled variable reduce the tv volume.
Align the plug with the optical connector on the soundbar and insert the plug carefully.
When you connect only with an optical audio cable functions which require an hdmi connection such as power interlock and volume control with the tv remote won t be possible.
Connect an optical audio cable from the tv s optical digital audio out jack to the optical in jack on your sound bar.
If wall mounting the sound bar adjust the audio if you remove the sound bar from the wall repeat to return the sound bar to default audio settings.
An example of a digital coaxial audio cable can be found here.
What s the difference between digital optical and digital coaxial.