Review on Sennheiser HD 660 S: Ultimate Hi-Res Open Back Headphone for Audiophiles by Bong Cha ᠌

Experience of use 2 years. Source Audient id14. On these headphones, I realized that they do not need warming up: your brain needs it to correctly perceive everything that these headphones give. The first 3-4 days I just enjoyed the cool sound, and then I caught euphoria. The sound didn’t change, I just didn’t immediately understand all its informativeness. After that I hear everything differently. After experimenting with various headphones, I easily took the 660S as a standard - exactly as much bass as it should be in the music, perfect mids and soft, but quite detailed highs. If there's a subbass on the track, you'll hear it), but don't count on the 660 to satisfy the bassophile's needs. By ear, a flat frequency response allows you to listen to absolutely everything. Punk headphones turned me into a music lover. They clearly separate the instruments, and it seems that everyone is in a certain place, of course, if it is built into the track when recording or creating. In electronics, sound movement effects excite the brain, flights through the head or to the side occur without dips and jerks, which indicates excellent positioning in the contour formed by the headphones. Headphones have a large area of ​​contact with the head. And at first, the ear pads seemed hard, which caused a feeling of being squeezed in the head in pincers). However, after a month, all points of contact on the headphones became softer, and on the head harder :) And now their comfort seems to be a reference. I cleaned the ear pads with a brush and washed them once, which did not affect their shape, appearance and tactile perception. I dropped the 660s four times from a table 82 cm high - the right earpiece began to rotate easier than the left one, but it does not dangle. I regret that I spent money on headphones for 100-220 ye, because the 660s sent them to the shelf. There is not a single track that would be better perceived in other headphones. 600 and 660 are similar in sound, like the faces of twins, only 660 has long eyelashes and smiles :) Ie. livelier, brighter.