Echo Studio review: Amazon finally nailed the audio quality
10:00am PST - November 15th, 2019 tones and i - EngadgetWe've heard this pitch before from Amazon. Last year, the company debuted the $150 Echo Plus in an attempt to improve audio quality in its smart speaker line. It also revealed a $130 Echo Sub add-on that could provide the much-needed low-end tones th...