The C 338 adds big sound to favorite music sources and brings incredible flexibility to any stereo system. The first-ever hi-fi amplifier to have Chrome cast built-in, the C 338 allows you to stream and cast music directly from a mobile device or any music streaming app, letting you enjoy your music wireless. With Bluetooth® also natively integrated, the C 338 can wireless connect to any smartphone, tablet, or Bluetooth-enabled device within range.