Boenicke Audio S2 Lautsprecherkabel Paar 2,5m Demokabelsensationell.. Our S2 is based on the highly regarded, multiple award winning noise cancelling Lessloss C MARC coaxial cables, consisting of 192 individually insulated strands with a total conductive cross sectional area of 2. 3 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 clockwise