Masimo, a global medical technology company, completed the acquisition of Charlesbank Capital-backed Sound United, a manufacturer of audio and entertainment products, for $1bn. "We are thrilled to add Sound United’s premium technology, established consumer channels, and well-known brands to Masimo’s broad portfolio of hospital and home medical technology solutions. We believe Masimo’s expertise in advanced signal processing, biosensing, and photonics technologies combined with Sound United’s audio and home automation technologies will bring about natural and yet non-intuitive solutions to people around the globe in home and in hospitals. Masimo will leverage Sound United’s expertise across consumer channels to accelerate distribution of the combined company’s expanding portfolio of consumer-facing healthcare products. We welcome the incredibly talented and dedicated teams at Bowers & Wilkins, Denon, Marantz, Polk Audio, HEOS, Definitive Technology, Classé, and Boston Acoustics to Masimo," Joe Kiani, Masimo Founder and CEO.