SoundMAGIC HP200 Premium Full Size Open-Back Folding Headphones (Black) High Fidelity sound reproduction - neutral tonal balance, extended bass and treble response Excellent detail resolution and musical definition, wide and accurate sound stage Over-sized 53mm Dynamic drivers with over-the-ear design and open-back construction. Unique 3-way pivoting yoke design with ultra-soft ear pads and headband for comfortable extended use. Foldable design and high quality rigid carrying case for compact portability.