Inside the Sonos Play:1 you will find two Class D amplifiers, one 3.5” mid-woofer and one tweeter. All these components combine together to provide you with perfectly reproduced mid-range frequencies while bringing out the deep bass in your music all while accurately replicating the high-frequency response to give you a clean crisp sound. It is the only wireless speaker this size to deliver the perfect rich and clear HiFi sound you want from your music. Packed with high quality part it still manages to have a small compact form. It can easily be placed in any room around your home to bring each one to life with its sound. Placement is never an issue as it can even be mounter if desired. The all-around curved grille will give you the flexibility you want without impeding its sound output. Buy this Sonos Play: 1 All-In-One Wireless Music System for $179.99 after instant rebate with free shipping at Rakuten.com.