Upgrade your stereo system with high-fidelity streaming music and Alexa. Voice control music selection and playback with your compatible Echo device or the Alexa app. Connect Echo Link to your stereo and group with other supported Echo devices to play music throughout your home. Supports hi-fidelity audio from streaming services like Amazon Music HD. Multiple digital and analog inputs and outputs provide compatibility with your existing stereo equipment. Lets you cast to one or more Echo speakers from a line-in input like an amplified turntable or CD player. Alexa is able to respond through all your connected speakers.