Not sure if Um_bongo is referring to the ReSound TV Streamer 2 as “the TV unit” but the ReSound streamer accepts digital audio input from a TV. That’s the way my TV Streamer 2 gets its audio output from my TV. My Yamaha amplifier also wants digital optical for best sound reproduction so I got a POWERED digital optical splitter on Amazon and it works great. You have to be careful not to coil or kink digital optical cable too tightly or you can run into problem there, too. Lots of discussion in the following thread (there are other related threads as well):