How to set up an Alexa multi-room audio system with your Amazon Echo smart speakers
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Amazon Echo Link Amp review: Amazon Echo Link Amp takes on Sonos for half the money - CNET
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NAD C 700 Compact stereo integrated amplifier with built-in BluOS® streaming, Apple AirPlay® 2, and Bluetooth® at Crutchfield
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Amazon Echo Link Amp is now available to make your speakers Alexa-friendly
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Airplay 2, Spotify and Co: Retrofit streaming and multiroom for hi-fi systems - Market Research Telecast
