Boenicke Audio S1 Lautsprecherkabel Paar 2,5mOur S1 is based on the highly regarded, multiple award winning noise cancelling Lessloss C MARC cables, in this case the small hookup wire, consisting of 72 individually insulated strands with a total conductive cross sectional area of 0. 86 mm per polarity. C MARC is a new type of Litz wire. C MARCs noise reduction is based on the bucking coil method using two counter polarized coils. Every strands clock wise turn aligns with a corresponding counter