Sonos seeks injunction and double damages for D&M's ‘willful infringement’ of Sonos patents in the Denon HEOS line. Judge invalidates another D&M patent.

Sound United still defining sales roles, wireless platforms for Polk, Def Tech with D+M Group brands Boston Acoustics, Marantz and Denon.

Dolby Atmos and DTS:X aren't as different as you might think, according to D+M Group (Denon, Marantz, Boston Acoustics, HEOS, et al), one of the first component manufacturers implementing the both the surround sound formats.

Searching for a winner in consumer electronics' latest format skirmish between Dolby and DTS isn't easy.