Polk Omni S6 Wireless Wi-Fi Music Streaming Speaker with Play-Fi (White) Top of the class music streaming speaker. Two 4" drivers and two 0.75" tweeters powered by a four-channel amplifier fill medium to large spaces with amazing audio performance Use your WiFi network to stream music from your phone, tablet or computer with the Free Polk Omni App. Stream Amazon Music, Pandora, Spotify, iHeartRadio, or your own music collection Simple Setup. Download the Polk Omni and Utility App, connect the speaker to your network and start playing music The speaker's sleek design fits into any room and works best in medium- to large-sized spaces anywhere in your home Music in every room. Start with one speaker and add music to more rooms with the Polk Omni Collection of speakers. Stream the same music to every room or stream different songs to different rooms