"Playback devices" refers to electronic devices that allow you to listen to or watch recorded audio or video, such as speakers, headphones, or DVD players. Full definition
As a music playback device, it's merely average. (techradar.com)
Between two PC's, I have happily added four extra hard drives, three sound cards, and two video cards; I have turned old yard sale PC laptops into quality audio playback devices for theatrical tours; and I have created acclaimed theatrical audio designs and highly - effective financial planning presentations. (goodereader.com)
All you've got to do is pick the ODAC from your list of playback devices in Windows and then plug some headphones in. (wolfsgamingblog.com)