Crystal-clear, room-filling sound3 speakers powered by 3 dedicated digital amplifiers The PLAY:3 uses 3 state-of the-art digital amplifiers individually coupled with 3 speakers to deliver great sound to any room. The wireless music system delivers a pure, clean sound that is perfect for bringing room-filling music to your kitchen, bedroom, office, or any room in your home. A bass radiator produces powerful low notes while two mid-range drivers and one tweeter fills out the sound.Class-D amplifiers State of the art, great sounding amplifiers that are light weight, powerful and very energy efficient in standby and use.Tweeter 1 tweeter creates a crisp and accurate high-frequency response.Mid-range drivers 2 dedicated mid-range drivers ensure the faithful reproduction of mid-range frequencies crucial for accurate playback of vocals and instruments.Bass radiator A bass radiator is tuned to use the energized air volume inside of PLAY:3 to provide deep, clean and surprisingly powerful bass from such a small package.All-digital sound architecture From the recording studio to your home the music is reproduced as the artist intended. All filter settings, active equalization, and time-alignment are done in the digital domain through state-of-the-art DSP circuitry so there's absolutely no loss of audio quality or energy.Adjustable bass and treble controls Optimize sound performance using zone-specific bass, treble, balance, and loudness controls. Adjust volume by individual zone or by groups of zones.Access all the music on EarthPre-loaded Internet radio stations - free of charge Get over 100,000 free radio stations, shows, and podcasts -- all for free. And you can tune in without turning on your computer. Browse for stations or type in specific call letters or a radio host you love.Endless music from the most popular online music services Sonos works seamlessly with Anubis.fm, AUPEO!, Deezer, iheartradio, Last.fm, MOG, Napster®, Pandora®, Rdio®, Rhapsody®, SiriusXMTM Internet Radio, Spotify®, Stitcher SmartRadio(tm), TuneIn, Wolfgang's Vault®, and downloads from any service offering DRM-free tracks. (Service availability varies by region.)Computer-free music playback Get instant access to millions of songs and thousands of radio stations - without ripping, downloading or turning on a computer. Sonos connects directly to these services over the Internet and then streams the music to the rooms of your choice.Play the music on your computer in any room Play music stored on up to 16 PCs, Macs or NAS (Network Attached Storage) devices on your home network, supporting the most popular audio formats, from iTunes® to MP3.Listen to music that's stored on an iPod or iPhone Dock, charge and wirelessly play the music from an iPod or iPhone with the Sonos DOCK (sold separately).Other cool featuresEasy Internet connectivity for other products in your house When wirelessly connected to a BRIDGE or another Player, you can use the Ethernet port on the back of your PLAY:3 to bring standard Internet connectivity to your set-top box, DVR, PC, game console or network hard drive.Top-panel volume and mute controls Provides quick access to volume and mute controls when you don't have a Controller in hand.Multiple orientations Position the PLAY:3 in a horizontal or vertical orientation to make a perfect fit into tight spots around your home, such as bookshelves, bedside tables, corners, or almost anywhere else. The EQ automatically adjusts so that the sound you hear is always great, no matter what orientation you use.Rubber feet Place the PLAY:3 on any kind of surface in your home without having to worry about scratches or scrapes.Control it all with your smartphone, tablet and moreControl all your music and rooms with your AndroidTM smartphone, iPhone®, iPod touch®, and iPadTM Free Sonos Controller apps for Android, iPhone and iPad let you control your zone players, music on the Internet and your computer right from the palm of your hand. Download the apps for free on the iTunes App Store or Android MarketTM.Integrated, multi-room control If you have multiple players, you can control what music is playing in every room in your house, from anywhere in your house. Sonos Controllers aren't tied to a specific player, so you can use any Controller to control the music and the volume in all your rooms.Find and play your favorite songs in an instant Browse or search for songs and stations, choose the music, and control the volume from anywhere in the home.Wireless connectivity The Android smartphone, iPhone, iPod touch, and iPad connect to your Sonos system through your home WiFi network.