Denon has upgraded its multiroom speaker system with three new models starting at $399. The ecosystem competes directly with Sonos by allowing up to 64 devices to be interconnected throughout your home … The new models are the Home 200, Home 400, and Home 600. The $399 Home 200 wireless smart speaker delivers rich stereo sound and immersive Dolby Atmos Music. Powered by HEOS for centralized app-based streaming and control, it’s easy to set up and perfect for any room in your home. The $599 Home 400 wireless smart speaker delivers Dolby Atmos Music, enveloping you in rich, expansive sound that reveals every nuance. Built-in dual height speakers add a lifelike vertical dimension for a more immersive soundstage, while HEOS makes set-up and streaming simple. The $799 Home 600’s custom engineered eight-driver array with built-in subwoofers and height speakers delivers full, detailed audio that fills your space. Each driver is powered by its own amplifier for precise control and balance.…