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Crafted for the demanding listener, the HD 660 S surpasses the performance of its predecessor, the legendary HD 650.
The HD 660 S employs newly designed transducers featuring extremely lightweight aluminum voice coils coupled to diaphragms precision crafted from stainless steel fabric
The HD 660 S is supplied with two para-aramid reinforced detachable cables employing high conductivity OFC copper to insure signal integrity with very low handling noise. One cable is terminated with a 6.35mm stereo plug (a 3.5mm adaptor is also included), the other with the new 4.4 mm Pentaconn balanced stereo plug.
The HD 660 S is designed for pure listening pleasure. It’s open-back architecture is strong yet lightweight, and allows airflow to the ears keeping them cool during listening sessions
The new HD 660 S lets you enjoy sophisticated audiophile sound in even more listening situations. The successor of the legendary HD 650 excels with the improved performance of its new transducer design. Thanks to its lower impedance, it delivers reference-class sound also when connected to hi-res mobile players, thus offering much greater versatility. The HD 660 S is an elegantly designed piece of high-quality engineering that indulges the demanding listener with aural precision and great wearing comfort.
