By Julie Jacobson · February 26, 2018 • 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. (Julie Jacobson)
By Joe Palenchar · May 16, 2017 • Sound United still defining sales roles, wireless platforms for Polk, Def Tech with D+M Group brands Boston Acoustics, Marantz and Denon.
By Chuck Schneider · March 8, 2016 • 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.
By Chuck Schneider · March 3, 2016 • Dolby and DTS have been battling for 20 years and now the new 'sound object' war is the latest skirmish. Which one will win?
By Robert Archer · October 22, 2014 • Sonos has filed a lawsuit against D&M Holdings in the state of Delaware over Denon’s HEOS wireless home audio product line. Sonos says D&M Holdings infringes on at least four of its patents.
By CE Pro Editors · June 3, 2014 • Denon Electronics joins the wireless audio market free-for-all with its HEOS by Denon dual-band multiroom audio system with 3 players in the $299 to $599 price range.
By Essential Install Editors · May 1, 2014 • D&M Holdings strikes partnership with US-based Sound United to distribute its Polk and Definitive Technology audio products in Europe.
By Julie Jacobson · December 10, 2012 • Matthew Good says he’ll keep job as D&M/Denon custom-installation training manager after collecting $192 million from Arizona Powerball jackpot.
By Jason Knott · May 30, 2012 • D&M Holdings has rebranded as D+M Group and revealed some of the 70 new products it plans for 2012.
By CE Pro Editors · March 6, 2012 • Former D&M Holdings and Sony executive Bob Weissburg has been hired as Gibson's new global executive vice president.
By Jason Knott · March 2, 2012 • D&M Holdings once again shuffles sales organization, opens up distribution of Denon, Marantz and Boston Acoustics via AVAD. Dealers fret over rep firings.
By Julie Jacobson · November 18, 2011 • Ken Dawkins leaves Thiel Audio after 11 years; Linda Passaro leaves McIntosh after 17 months, joining other high-level D&M departures.
By Julie Jacobson · September 2, 2011 • Phil Cohn, SVP sales and marketing, is leaving D&M; 20-year veteran Kevin Zarow promoted to VP sales
By Julie Jacobson · September 2, 2011 • Following similar moves by Velodyne, AVC, TruAudio and Lenbrook, D&M subsidiary is expected to eliminate most of its independent reps.
By Jason Knott · March 14, 2011 • Company temporarily shuts down one manufacturing facility in Shirakawa, Japan, following 9.0 quake saying employee safety is its top priority.