About this item BEST WIRELESS SPEAKER IN THE WORLD: The most accurate and powerful speaker from Devialet creates a live concert experience. It features our exclusive Analog Digital Hybrid Technology. With power, clarity and precision unlike anything you’ve heard before. HIGH PERFORMANCE: 4500 peak watts is enabled by 108 patents produces , a titanium tweeter offers an unparalleld frequency range of 14Hz to 27kHz and 108 db ALL YOUR SOURCES: Wi-Fi, Bluetooth, AirPlay, Spotify Connect, TV, Web Radio; Wi-Fi Dual-band (a/b/g/n 2.4 GHz & 5 GHz) MULTI-ROOM: Connect Phantom in your kitchen, bedroom and living room filling your home with sound, using our Dialog (Smart-Hub) and app to control each room Dialog is the hub that allows you to connect several Phantom together wirelessly, from 2 Phantom to 24 Phantom, to create Hi-Fi or Multi-Room systems Dialog is necessary to connect more than one Phantom for a multi-room or stereo experience Dialog is not necessary to play online streaming services through Bluetooth to one Phantom Designed and assembled in France