Harman Kardon Aura Plus Wireless Bluetooth Speaker 360&ordm; Hi-Fi Luxury Sound System with Built-in Apple Air Play and Spotify A unique, multi-angled transducer positioning which directs sound into the room for room-filling sound. Redefined visual standards by which a high-end home audio system can be judged. Streams audio via Bluetooth and sporting a stereo-widening DSP set-up for amazing imaging from a one piece speaker, the Harman Kardon Aura is a masterpiece of sound and vision, born to produce a superlative, all-round entertainment experience. Customized Harman Kardon Remote app allows for easy set-up and added connectivity Six mid- to high-range 1.5" transducers for accurate, Omni-directional sound and a 4.5" subwoofer for rich, powerful bass.