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The Era 300 has become Sonos’s standout single-box speaker, particularly for its convincing Dolby Atmos and spatial-audio presentation. At €300, this is a strong deal: it sits just above the €297 25th percentile but well below the €309 median of comparable used listings, making excellent condition especially attractive.
Its six-driver layout delivers unusually broad, room-filling sound, with useful Wi-Fi, Bluetooth, AirPlay 2 and Sonos multiroom integration. It also makes a fine partner for an Arc or Beam surround system, or a compelling standalone speaker for spatial music. Check that the original power cable is included and that the unit can be removed from its previous Sonos account, but there is no material price-related concern here.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sonos emerged from Santa Barbara, California, in 2002 as Rincon Audio, Inc., founded by John MacFarlane, Craig Shelburne, Tom Cullen, and Trung Mai. MacFarlane's success with Software.com provided crucial seed funding for their audacious goal: a wireless multi-room music system free from the wires and complexity plaguing home audio at the time. Renamed Sonos in 2004, the company debuted its pioneering ZonePlayer and controller in 2005, cementing its roots in innovative, user-centric sound technology.
The brand specializes in wireless speakers, soundbars, and home theater systems designed for seamless multi-room playback and integration with streaming services. Sonos offers everything from portable Bluetooth options like the Roam to high-fidelity architectural speakers and subwoofers, alongside recent forays into headphones and whole-home audio solutions. Amplifiers, turntables, DACs, and cables fall outside their core focus, which prioritizes app-controlled ecosystems over traditional hi-fi components.
Sonos holds a commanding mid-to-premium position in the consumer audio market, renowned for inventing wireless HiFi and setting the standard for effortless, high-quality sound. Trusted by audiophiles and casual listeners alike, it blends accessibility with sonic excellence, dominating the smart speaker segment while appealing to discerning buyers seeking scalable, future-proof systems.
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