The Whirlwind SP 1X3 is a 1 input, 3 output microphone signal splitter. The SP 1X2 features 1 direct and 2 transformer isolated output with an input / output impedance measured at 150 ohms.

MPN: imp1x3
UPC: 692465005418

The SP1X3 provides one direct and two transformer isolated outputs, respectively, from a mic level input. Each transformer isolated output on these devices features a ground lift switch.