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Sonos Era 300 Review: Spatial Audio That Fills the Room — No Soundbar Required

Six drivers, beamforming, Trueplay tuning, and Dolby Atmos — the first wireless speaker that makes spatial audio feel real, not a gimmick.

Dec 5, 2024 9 min read

4.7

Sonos Era 300 in white on a bookshelf showing its distinctive hourglass shape

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Pros

Genuine spatial audio: 6 drivers beam Dolby Atmos height/width — sounds *around* you
Trueplay (iOS) + Quick Tune (Android) = room-corrected sound in 2 minutes
Sonos ecosystem: multiroom, AirPlay 2, Spotify Connect, Alexa, line-in (via adapter)
Stereo pair = incredible soundstage; add Sub + 2 Era 300s = 7.1.4 Atmos home theater
Bluetooth 5.0 + USB-C line-in (with combo adapter) for turntables/TV
Hourglass design is beautiful, stable, fingerprint-resistant matte finish

Cons

$449 each — stereo pair = $898, full Atmos setup = $2,000+
No Google Assistant (Alexa only, or Sonos Voice Control)
Line-in requires $19 USB-C combo adapter (not included)
Trueplay requires iPhone (Android gets basic Quick Tune only)
App still has occasional connectivity bugs on mesh networks

Who Should Buy This

Music lovers wanting spatial audio without headphones
Home theater builders wanting wireless Atmos (stereo pair + Sub)
Sonos ecosystem users expanding multiroom

Our Verdict

The **Sonos Era 300** is the **first wireless speaker that makes Dolby Atmos spatial audio feel real**. Six drivers beam sound off walls/ceiling — you hear height, width, immersion. Trueplay tuning makes it work in any room. At $449, it's an investment; a stereo pair transforms music and movies. For Sonos households, it's a no-brainer. For newcomers, it's the gateway to wireless immersive audio.

Specifications

Stereo Pair: Two Era 300s = L/R spatial; add Sub (Gen 3) + 2 Era 300s rear = 7.1.4 Atmos
Power: 45W typical, 65W max
Drivers: 6 Class-D amplifiers: 2× woofer (bass), 2× side tweeter (width), 1× upward tweeter (height), 1× forward tweeter (clarity)
Dimensions: 7.2 x 6.3 x 4.8 in (183 x 160 x 122 mm)
Colors: White, Black
Ports: USB-C (line-in with Sonos Combo Adapter, $19), Ethernet (via adapter)
Multiroom: Sonos S2 app — group with any Sonos speaker
Tuning: Trueplay (iOS mic), Quick Tune (Android, less precise)
Connectivity: Wi-Fi 6, Bluetooth 5.0, AirPlay 2, Spotify Connect, Alexa, Sonos Voice Control
TV Audio: eARC via Sonos Arc/Arc Ultra/Beam; Era 300s as surrounds
Weight: 9.85 lb (4.47 kg)
Spatial Audio: Dolby Atmos (Apple Music, Amazon Music, Tidal), Sony 360 Reality Audio

Check Price: $449

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