Proprietary wireless multiroom sound system developed by DTS.
It support up to 24 bit / 192 kHz audio.
It supports streaming audio services like Amazon Music, Spotify, Pandora, Qobuz, Tidal, iHeartRadio and Sirius XM. Internet radio is supported as well.
Products supporting DTS Play-Fi are soundbars, systems and speakers from Audiolab, Anthem, Arcam, Aerix, Definitive Technology, Integra, Klipsch, MartinLogan, McIntosh, Onkyo, Paradigm, Philips, Polk, Quad, Rotel, Phorus, Pioneer and Sonus faber.