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

Will Sound United continue licensing Play-Fi, or will the company's acquisition of D+M Group mean expansion for HEOS wireless audio platform? And if so, should Sonos be worried?

Sound United, the parent company of Polk Audio and Definitive Technology, has purchased D+M Group and its brands, including Denon, Marantz, HEOS and Boston Acoustics. Terms of the deal were not disclosed.