Sonos Era 300 Smart Speaker

techpulse_admin — Sat, 16 May 2026 09:56:24 +0000

Sonos built the Era 300 around spatial audio from the ground up rather than retrofitting it into a standard speaker form factor. Six drivers — two angled upward for height channels, two facing forward, one facing left, one facing right — recreate the overhead reflection cues that Dolby Atmos and Sony 360 Reality Audio mixes rely on. In a medium-sized room with Dolby Atmos music from Apple Music or Tidal, the difference versus a standard stereo speaker is immediately audible, not subtle.

Trueplay room calibration uses the built-in microphone array to measure the room’s acoustics and adjust EQ in real time. Line-in via USB-C accepts a vinyl source or any 3.5mm-equipped device. Apple AirPlay 2, Spotify Connect, and the Sonos app give you a wide range of source options without requiring the Sonos streaming service specifically.

The Era 300 can be paired as a stereo pair with a second unit for a full left/right spatial experience, or used as rear surrounds with a Sonos Arc soundbar for a complete home theatre system. Compact for what it achieves acoustically at 10.24 inches tall, it fits on a bookshelf without dominating the room.

Drivers	6 total: 2× up-firing tweeters, 2× forward-facing tweeters, 1× left-angled mid-woofer, 1× right-angled mid-woofer
Amplifiers	6 Class-D amplifiers (one per driver)
Spatial Audio	Dolby Atmos, Sony 360 Reality Audio, Sonos Spatial Audio
Connectivity	Wi-Fi 6, Bluetooth 5.0, USB-C line-in (analogue via adapter)
Streaming	AirPlay 2, Spotify Connect, Sonos app, Amazon Music, Tidal, Qobuz
Dimensions	10.24 × 7.28 × 6.30 in
Weight	6.73 lbs (3.05 kg)
Controls	Touch volume/pause, auto-mute microphone button
In the box	Era 300, Power cable, Quick-start guide

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Sonos Era 300 Smart Speaker