kien gives you freedom of choice. Stream over WiFi and Bluetooth using whichever app or device you like. kien supports most wireless audio streaming protocols such as AirPlay,
Spotify Connect, and DLNA.
With the kien SUB, you can connect your kien system to a multitude of devices.
Use the two RCA pairs to connect a turntable or a CD player. And with the optical input, you can drastically improve the sound from your TV.