Our GuaranteeAll Denon Factory Certified Refurbished Product sold by World Wide Stereo is guaranteed to perform “as new” and is backed by a one-year part and labor warranty serviceable by any authorized Denon service center.The new Denon Home 350 plays all your music wirelessly in stereo with the reference quality sound you expect. Group other products with HEOS Built-in such as AV receivers Hi-Fi systems soundbars and speakers to fill your whole home with music. Enjoy your favorite online streaming services like Spotify Apple Music Music HD Pandora TIDAL and more or play music stored on your phone or network delivering amazing room-filling sound found in much larger speakers.Wireless whole-home audio