Our sense of hearing detects depth and directional information in sound via a complex series of comparisons of what is heard by the two ears. Differences in sound's arrival time, as well as phase and frequency response, are used to determine where the sound is coming from. A stereo pair of loudspeakers provide this directional information for the listener. Conventional headphones make this process impossible; sounds appear on each side, but with no sense of space or depth. The K1000 was the first commercial headphone to produce the experience of proper depth and spatial orientation.
The K 1000's transducer design uses ""ear speakers"" which are angled away from the ears, and do not touch them. Sounds from one ""speaker"" will be heard by the other ear, thus providing depth and localization information.
Probably the best headphones you can get. I was told that AKG is about to sell an "audiosphere"-device (as already available for the 'Hearo'-series) for the K-1000's in the near future! This would make an excellent product even better.
Perhaps the best sound in electrodynamic technology headphones(Stax are electrostatic). The headphones are connected to the loudspeaker output of the amplifier. This is an advantage (more quality than headphones output) and disadvantage (you need a dedicated amplifier if you don't want remove the loudspeaker connections everytime). The comfort is enough, but a little heavy for hours of listening. The sound. Open, detailed (like studio nearfield monitors), the bass are present (incredible 'cause the K1000 is absolutly open design!),armonics in middles and highs are magicals and the tridemensional presentation are better than usual headphones. For all type of music. Hi end on your head