... circuit is very complete 3.High-end switch amplifier. T-38 pro amplifier specifications: Specifications Impedance T18 T20 T22 T24 T32 ... balancedselectable:26 dB,32dB,or 1,4 V input sensitivityincrush-current limitation, protection circuits against power-on/off transients,temperature ... switch on back panelLEDs for Mode, Signal, Clip, Output Current and faults for example like DC3-pin XLR, male and ...