Any 2 to 1 (or 1 to 2) adapter placed in a line to split a feed.
"I've heard the Schuman and Barber works (the latter for only the second time in almost twenty-five years!). Even to my CD-jaded ears, the sound is very good. The quality in the Barber was particularly striking - if I hadn't known better, I would have thought it was an original commercially-produced CD. Obviously the source material for the ..."