The ISOBLOX by RapcoHorizon offers 600 ohm, 1 to 1 inline isolation. This BLOX allows both signal and ground isolation while retaining a 600 ohm load and source impedance. The in/outs on this isolation box are XLR female and XLR male, respectively.Self-contained 1 to 1 isolationAllows signal and ground isolationRetains 600-ohm load and source impedanceXLR female input and XLR male outputBlack powder coated aluminum chassisHand soldered connectorsGet yours today; with the Sam As