Polk Audio AM6911-A Omni P1 Wireless Wi-Fi Music Streaming Adapter;

The Omni P1 is simply the easiest, fastest way to bring an existing audio system up-to-date with the latest music streaming services. Hookups include a stereo output Connection to a receiver or powered speaker, and digital outputs for connecting to a receiver. Simply connect your receiver to the P1, download the Polk app, and follow the easy setup instructions. Use your Wi-Fi network to stream music from your phone, tablet or computer with the free Polk Omni app. Stream Amazon prime music, Pandora, Spotify, iHeartRadio, Tidal, Sirius, or your own music collection. Compatible with any receiver that has an open coaxial, optical or RCA input. Start with one Omni wireless music system product and add more anytime. All your music anywhere in your home.