Bluesound - PowerNode N150 (Black) Winner of a What Hi-Fi? 2004 Product of the Year Award Works with Spotify, TIDAL, HDTracks, JUKE, and Slacker Radio DirectDigital Amplification Technology Built-In Amplifier Delivers Digital Music, Music-Streaming Services, and Internet Radio in Stunning Sound Plays just about every digital file imaginable (including 24-bit/192kHz audio) and even has a USB port for thumb drives