... : black Description:The Semi-Open Circumaural Stereo Headphones by AKG Acoustics provide excellent Sound and optimum performance. It is ... listening experience, thanks to an 18Hz-22kHz frequency range. AKG makes great headphones for a variety of applications, from studio ... player, or MP3 player and experience great sound, the AKG K99 headphones are ideal for you. Specification: Type:DynamicAdorn mode ...