If it lacks RCA, the 3.5mm headphone jack or TOSLINK ports ... But it should be as simple as connecting to any audio source. If you're really serious about using headphones with your TV – perhaps ...

Insert the cable into your device’s USB port for power and the plug into your device’s 3.5mm headphone jack, and the speakers are ready ... Auxiliary input lets you connect to other audio devices.

For hooking up an instrument, there’s a Hi-Z 6.3mm jack. Next to that ... output for handling difficult headphones. Like all USB audio interfaces, the Connect 2 provides zero-latency monitoring ...

Instead of a headphone jack, these devices only have a single USB-C port, which you can use with an adapter, or dongle, to connect to standard headphones. The Pixels 2 and 3 came with an adapter ...