Powered by Sennheiser's proprietary transducer technology for truly excellent sound performance, the closed back HD 569 brings a flexible option for use at home or on the go. It provides a rich and clear bass, adding further flexibility by making it possible to enjoy the full personal experience without disturbing others. With its full sized circumaural design, the HD 569 offers exceptional wearing comfort thanks to the large ear cups and soft replaceable ear pads.