There is a meaningful gap between a smart speaker and a speaker that sounds good, and the Sonos Era 100 sits firmly on the right side of that line. Prime Day has it at $179, against its usual $219, a near all-time low for this dual-tweeter smart speaker with Trueplay room calibration, Wi-Fi and Bluetooth streaming, Alexa integration, and a 25% larger midwoofer than its predecessor. No Prime membership required.
See at Amazon
The speaker that listens to your room before it plays a note
Trueplay tuning technology is the feature that separates the Sonos Era 100 from every Echo speaker Amazon sells. With a tap in the Sonos app, Trueplay analyzes the unique acoustic properties of the room the speaker is placed in, including wall reflections, furniture absorption, and placement position, and adjusts the EQ automatically to compensate. A speaker on a bookshelf surrounded by books sounds different from the same speaker on a kitchen counter next to a wall, and Trueplay accounts for that difference rather than applying a one-size-fits-all sound profile.
The dual-tweeter architecture produces genuine stereo separation from a single compact unit by angling the tweeters to project left and right channels independently. A 47% faster processor handles the audio processing with less latency, and the 25% larger midwoofer compared to the previous Sonos One generation deepens bass response without requiring a separate subwoofer. The result is a sound profile with real low-end presence, clear mids, and detailed highs that fills a room without sounding like it’s being pushed past its limits.
