SHOP All Products › Apantac AES-75-110 Digital Audio Impedance Transformer Image 1 of 1 Apantac AES-75-110 Digital Audio Impedance Transformer $46.00 Digital Audio Impedance Transformer that passively converts all standard AES/EBU digital audio signals from 75?/BNC Coaxial to 110? XLR3 cable. Quantity: Add To Cart Added! Digital Audio Impedance Transformer that passively converts all standard AES/EBU digital audio signals from 75?/BNC Coaxial to 110? XLR3 cable.