Are there optical headphones?
The headset optical audio is a wireless device that you can directly connect to your optical audio output. However, there is a limited number of headsets that can do this. You may use a digital to analog decoder to connect analog headphones to a digital output.
Is optical out the same as audio out?
Though they are both commonly used in speakers and transmit audio, the ways they work are entirely different. This difference comes down, in part, to their connectivity: optical is digital and aux is analogue.
Can I use TV headphone jack as audio out?
If your TV has a 3.5mm headphone jack, just plug your wired headphones into it. If your TV doesn’t have a 3.5mm jack but has RCA stereo outputs, get an RCA-to-3.5mm adapter and use your headphones that way.