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 45/60day return/ price protection policy, we assure the best price and a fast, free delivery