News & Reviews:   Sonos Sub 4

Sonos has announced two new audio products - the Sonos Arc Ultra and Sonos Sub 4 speakers with a new transducer technology called Sound Motion. According to the company, the Arc Ultra delivers up to double the bass of its predecessor with a 9.1.4 spatial audio experience, while the Sub 4 is the next-gen subwoofer with a refreshed design.