Sennheiser ny side design not pull his punches. The first contact with my RS 175 offers a real feeling of elegance and quality. The finish is neat, sturdy hinges and particularly stylized shells. The headset looks very solid and 310g of the beast are hardly felt and the pressure exerted is just what it takes to good posture. The headset is ideal for large heads like mine! The atria are enveloping, ergonomic and offer a soft comfort even after prolonged listening. His side this is happiness! This really upscale. Miles Davis at first listen: the stamps are dune exquisite definition of severe acute deep to the extreme, through the light mediums. Connected to my home theater amplifier optically connected, no more breath. The bass boost significantly increases the feeling of power system. Small flat, the Surround function is not really necessary for me but my delight adept son explosive blockbusters. A reasonable range of the system allows to attend to their occupations, walking in his garden (not too far) in music. In summary this is a great product with perfect ergonomics and with a dynamic and a very pleasant sensation of power. It makes you want Decouter again and always music freely.