Polk Audio Omni S2 Compact Wireless Wi-Fi Music Streaming Speaker with Play-Fi (Discontinued by Manufacturer) Room filling sound from an ultra-compact speaker. Twin 2 full range drivers and passive bass radiators fill small to medium 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 Prime 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 Black and White removable grills included. The S2 fits in with any home dcor 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