"http://www.amazon.com/gp/product/B00LWSMU5M?tag=httphealth009-20
Turn any stereo system into a wireless zone
Play your favorite music from a range of streaming services as well as your smartphone tablet USB drives or other external device
Control your Denon receiver integrated amplifier or mini system right from the HEOS app
Denon HEOS Link Wireless Pre-Amplifier"