Denon has obviously invested heavily in taking up the fight against Sonos with their multi room series HEOS. They already have three models of wireless speakers, in addition to the router Extend, amplifier Amp and streamer Link.
If you intend that there is something missing in the series 3, 5 and 7, this should become clogged now. Heos 1 becomes the new junior in the family, and according to Denon it also becomes "Very Affordable". It is intended for both indoor and outdoor use, and can be used on battery.
The other newcomer is a product Denon call HEOS Home Cinema. Being is a soundbar is currently what we know about this product from HEOS.
See teaser video about the two upcoming news from Denon HEOS: