Upgrade your speakers with a built-in 60W x 2-channel amplifier, high-fidelity streaming music, and Alexa. Voice control music selection and playback with your Echo device or the Alexa app. Connect Echo Link Amp to speakers and group with other supported Echo devices to play music throughout your home. Multiple digital and analogue inputs and outputs provide compatibility with your existing stereo equipment. Casting to multi-room music from a line-in or Bluetooth input is not currently supported.
Echo Link Amp allows you to stream and amplify hi-fi music to your speakers
Echo Link Amp - Amazon.com
Echo Link Amp