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 isolation Allows signal and ground isolation Retains 600-ohm load and source impedance XLR female input and XLR male output Black powder coated aluminum chassis Hand soldered connectorsGet yours today; with the Sam Ash Direct 45/