詳情說明：The Audio Precision SWR-2122U is an Unbalaned Switcher that features 12 x 2architecture . It provides a means of expanding the analog interface capacity of System OneSystem Two family audio analyzers with provisions for cascading up to 16 units, allowing up to 192 channels to be accessed. Switching is computer-controlled via the same APIB as the Cascade Plus. The SWR-2122U can be used as either an inputoutput switcher. Uses floating BNC connectors for unbalanced signals to prevent ground loops.Key features of the AP SWR-2122 include:* expansion of System capability up to 192 inputsoutputs* Balanced (XLR)Unbalanced (BNC) connector versions available* Patch point version inserts test generatoranalyzer at patch point* Crosstalk See Spec Sheet for more Additional Information.