Upgrade your audio in an instant with the Amazon Echo Link Audio Enhancer. Connecting to your amp or receiver, this sleek device actually works with your Echo speaker. This device produces impressive audio to give your speaker a total upgrade. Simple to use, it has a plug-and-play design. Because it connects to your other Echo devices, the Echo Link is without a microphone. However, you can still access Alexa and use voice control to control and manage your music. Alternatively, for a non-Echo speaker, you can use the Alexa app with your voice. You can connect it with multiple Echo speakers for a surround-sound experience. In addition, the Echo Link features Ethernet support as well as coaxial cables.