The SP1X2 and SP1X3 provide one direct and one or two transformer isolated outputs, respectively, from a mic level input.* The SP1X2 provides one direct and one isolated output while the SP1X3 provides one direct and two isolated outputs. Each transformer isolated output on these devices features a ground lift switch.
Operating Level: -0.5dB to +4dB
Frequency Response: 20Hz-20kHz ± 0.63dB
Max input level: -0.5 dBu
*(The SP1X3 is also available in a line level version, SP1X3LL )