Nordost Leif 2 Blue Heaven Digital Interconnect (Co-axial)Blue Heaven Digital Interconnect 30% Discount on Nordost Leif 2 cables The safe transfer of digital data streams depends on achieving accurate impedance within the transmission chain. The S PDIF transmission standard dictates a 75 Ohm co axial lead, but it is surprising how few cables meet that specification. The Blue Heaven Digital Interconnect is a true 75 Ohm conductor. Employing a Micro Mono Filament, co axial construction. This advanced topology