The best Alexa smart speaker I've tested isn't an Echo -- and it's $30 off for Prime Day

The Sonos Era 100 is on sale for $179 right now during Prime Day deals. It builds on the successes of the Sonos One with improved audio quality, touch controls, and a connectivity feature users asked for.

• The Sonos Era 100 is a $249 smart speaker that I recommend to most people, audiophile or not.
• In addition to a full, booming sound, the Sonos speaker produces crystal-clear vocals that enhance any song and has hands-free Alexa for voice control.
• Since the Era 100 is built for smaller spaces, it doesn't support spatial audio or Dolby Atmos like its larger sibling, the Era 300.

The Sonos Era 100 speaker is on sale for $179, $30 off its retail price, as part of Amazon Prime Day. 

Also: The best Prime Day deals you can shop now.

When Sonos reached out to me to discuss the launch of a new line of ...