The Sonos Era 300 sets the stage for a new age of immersive-sounding speakers for the home, boasting a slick design and a series of high-tech features. Sonos is back. The company was once the only ...

The sound is so expansive that I had a hard time believing it all came from just one device under my TV ... to your home ...

But now, the company is finally replacing it with a new offering — the Sonos Era 100. The Era 100 sits alongside the also-new Era 300, which offers ... you can get under $250.