"http://www.amazon.com/gp/product/B001CROHU4?tag=httpadvance00-20
Turns your favorite speakers into a music streaming Sonos system
Wirelessly play your own music online music services and Internet radio and expand by adding Sonos to any room in your home
Powerful wireless network delivers HiFi sound without dropouts
Connects to bookshelf floor and other non-powered speakers with speaker wire
Sonos App on your smartphone tablet or PC gives you control of all your music in one place
SONOS CONNECT:AMP Wireless Amplifier for Streaming Music"