With Play-Fi Headphones, you can use a compatible DTS Play-Fi audio product to capture audio from any input, and send that wirelessly to your personal phone/tablet for private listening. All you need is a DTS Play-Fi product that supports Line-In streaming—such as the Definitive Technology W Studio Micro sound bar, Klipsch RSB-14 sound bar, Polk Omni SB1+ sound bar, and more—and the app will find those products on your network, let you pick from one of their inputs, and render the audio on your