Amazon is said to be working on a higher-end Echo smart speaker, according to a new report today, and that's no surprise given how successful Sonos and Google have been with more powerful versions of their smart speakers.

This high-quality Echo packs more audio components into a wider frame than prior models, reports Bloomberg, yet it should still retain its signature cylindrical shape.

It will include at least four tweeters, said people familiar with the product.

It's an obvious move for Amazon, which has already cornering the smart speaker market at other price points.

But it's left a void at the top, one that the Sonos Play:1 and Google Home Max have filled.

The Echo line of Alexa-powered speakers are frequent best sellers, especially during major sales seasons, like the upcoming Amazon Prime Day 2019.

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