Now you can upgrade your stereo system and stream music in superior hi-fi sound. Echo Link connects streaming music from your favorite services like Amazon Music, Spotify and Deezer – to your amp or receiver. Use it with Alexa to voice control music selection, volume and playback. Echo link easily fits into your stereo system. The inputs and outputs provide compatibility with your existing digital and analog audio equipment, so you can play music from your favorite source on the system you already love – and it’s designed to fit in an audio rack. KEY FEATURES Enables Wireless Music Streaming Wi-Fi & Ethernet Connectivity Multi-Room Capable Works with Alexa Optical, Digital Coaxial, RCA In/Out Subwoofer, 1/8″ Headphone Output Condition: Used – Very Good