From Sonos:
Fills a large room with pure, brilliant sound.
Bold. Pure. Dynamic. Intense. With deep bass that packs a punch.
Uncompromised sound whether vertical or horizontal.
Convenient, ultra-responsive top panel touch controls.
Line-in. Plug in any device you desire.
Overall:
Six speaker drivers powered by six dedicated digital amplifiers
The PLAY:5 uses six state-of the-art digital amplifiers individually coupled with six speaker drivers to deliver great sound to any room. Each instrument, each voice, every detail shines through, pure and precise. With remarkably distinct clarity. And zero audible distortion. Even when you crank it up loud. Really loud.
Class-D amplifiers
Tweeters
Three tweeters create a crisp and accurate high-frequency response.
Mid-woofers
Three dedicated mid-woofers ensure the faithful reproduction of mid-range frequencies crucial for accurate playback of vocals and instruments, while also delivering a deep, rich bass.
Stereo Pair
Turn two PLAY:5s into separate left and right channel speakers to create wider, bigger, and deeper sound.
5.1 Home Theater
Add two PLAY:5 speakers to a PLAYBAR and SUB for a true surround sound experience.
Adjustable bass and treble controls
Trueplay tuning.
Trueplay measures the acoustics in any room – analyzing things like size, layout and furnishings. Then fine-tunes your PLAY:5 to make the music sound great, no matter where you place your speaker.
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 Apple Music, Spotify, Pandora, Deezer, Radio by TuneIn, SiriusXM, Google Play Music, SoundCloud, Amazon Music, iHeartRadio, Rhapsody, Rdio, Qobuz, TIDAL 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 even 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.
Stream music from an iPhone®, iPad™ or iPod touch®
Sonos wirelessly plays your iTunes® music, direct from your iPhone®, iPad® or iPod touch®, to any room in your home.
Play music and audio from a CD or MP3 player, and more throughout the home
An analog audio input lets you connect to an external audio source (such as a CD or MP3 player, or radio) and play that music or audio on all Sonos players in the system.
Other cool features
Easy Internet connectivity for other products in your house
When wirelessly connected to a BRIDGE, BOOST or another player, you can use the Ethernet port on the back of your PLAY:5 to bring standard Internet connectivity to your set-top box, DVR, PC, game console or network hard drive.
Top-panel controls
Rubber fee
Humidity resistant
Control your Sonos system with your smartphone, tablet or PC
Control all your music and rooms with your Android™ device, iPhone®, iPod touch®, iPad™, & PC.
Free Sonos Controller app
for Android, iPhone, iPad, PC, and Mac let you control your Sonos players, music on the Internet and your computer right from the palm of your hand. Download the apps on all devices
Integrated, multi-room control
If you have multiple Sonos speakers, you can control what's playing in any room from anywhere in your house.
Find and play your favorite songs in an instant
Search for songs and stations, choose the music, and control the volume from anywhere in your home.
Wireless multi-room music with SonosNet
Built-in wireless capability
The PLAY:5 can go anywhere, delivering music to any room in your house, wirelessly. 
Play a different song in every room, at the same time
Tune in to an Internet radio station in the bedroom, stream a music service in the kitchen and play a song from your music library in the living room — simultaneously.
Listen to the same song in every room, in perfect synchronization
Simple setup
No technical or wireless expertise required.  Put a PLAY:5 in any room where you want music and with the touch of a few buttons, you’ll be play music all over the house in minutes.
Expandable wireless system
Expand your wireless music system room by room. Wirelessly add more PLAY:5s to your house with the press of a single button and enjoy true multi-room music.
New features and music services delivered automatically — and for free
The Sonos system keeps getting better over time with new features and music services. Once the Sonos music system has been registered, Sonos will automatically notify you when software updates are available. Simply press one button and your system updates itself.
Specs:
Amplifier
Six Class-D digital amplifiers perfectly tuned to match the six dedicated speaker drivers and the acoustic architecture.
Tweeters
Three tweeters create the crispest and clearest high-frequency response.
Mid-woofers
Three mid-woofers ensure you’ll hear the faithful playback of mid-range vocal frequencies plus deep, rich bass—without distortion, even at high volumes.
Phased speaker array
Phased speaker array (three drivers on top and three on the bottom) create a wide stereo soundstage that directs the sound left, right, and center.
Audio line-in
Audio line-in. An auto-detecting 3.5 mm connection.
Adjustable bass and treble controls
Adjustable bass and treble controls let you customize your sound by individual room or groups of rooms.
Dimensions - H x W x D
8.03 x 14.33 x 6.06 in. (203 x 364 x 154 mm).
Controls
Touch-interface controls & lights
Capacitive touch controls for volume up/down, previous/next track, and play/pause.
LED indicates Sonos component status and mute status.
Microphones
Two built-in microphones to enable future Trueplay tuning enhancements.
Power supply
Auto-switching 100-240 V, 50-60 Hz AC universal input.
WiFi, not Bluetooth
Connects to your home WiFi network with any 802.11b/g, 2.4 GHz broadcast-capable router for uninterrupted wireless streaming.
Ethernet port
One 10/100 Mbps Ethernet port. Wire directly to your router to operate your Sonos if WiFi is unstable, or use the Ethernet port to provide Internet accessibility to non-wireless devices if you’re using BOOST setup.
Package contents
Sonos PLAY:5, power cord, flat Ethernet cable, Sonos QuickStart Guide, and Legal/Warranty information.
* Internet connection is required