Bose Solo 5 Owner's Manual page 27

Option 2
This figure shows two source connections using a coaxial cable and 3.5 mm to
RCA stereo cable (not provided).
Audio OUT
Source 1
3.5 mm to RCA
stereo cable
(not provided)
Soundbar connector panel
Using two sources connected to the soundbar
Power off sources when not in use. In order for one source to deliver audio to the
soundbar, your other source must be off.
Alternate Setup
Audio OUT
Source 2
English - 27