Denon HEOS 7 Wireless Speaker (Discontinued by Manufacturer) Effortlessly fills large rooms with huge sound Two custom tweeters and two mid-woofers; large subwoofer and two passive radiators; powered by five dedicated Class D amplifiers Ideal for large rooms and open areas such as living rooms, patios, or open-floor-plan homes Stream from your favorite music service such as Amazon Prime Music, Spotify, Pandora, Rhapsody, TuneIn, iHearRadio and SiriusXM on your free HEOS App for IOS, Android or Kindle The ultimate in wireless speaker performance