The compact HEOS 3 speaker delivers room-filling sound for small to medium spaces. Alternatively, you can combine two HEOS 3 speakers into a perfectly synchronized stereo pair and enjoy excellent sound even in larger rooms. For optimal audio performance, it features two full-range drivers with separate Class D amplifiers and smart DSP technologies. Enjoy music streaming from the cloud or local files with the intuitive HEOS app for iOS, Android, and Kindle Fire devices.