The all-new Smart Control places effortless sound control and personalization for your Sennheiser headphones and the AMBEO Soundbar in the palm of your hand. With a fresh, modern design, Smart Control introduces exciting new features such as Sound Check to tailor the audio experience to individual hearing and Sound Zones that adapts the sound to your location. The app also provides user accounts to make it easier to enjoy sound your way on all your Sennheiser devices. - Smart Control app – Eff