SYNTAX® single pair DIGITAL AES/EBU-DMX CABLE, (standard AES/EBU and DMX use specifications) is manufactured with reliably consistent impedance and features a special polymer sheath for low capacitance. To ensure a high protection level from EMI/RFI noise, the shield is made up of two different screens:? the first is a high-density spiral tinned copper; ? the second is a aluminium/polyester foil.The drain wire between the two screens makes connection easier. Black or Blue PVC flame-retardant external jacket, trampling-proof, impact absorbing and flexible for longer lifespan.