This is Diy Kits,you need do it yourself. NO SCHEMATIC AND INSTRUCTION (components values have been marked on the PCB) COME WITH THE ITEM. MX50 SE version is designed to improve the new version of the classic with thousands of users on the basis of the fifth edition of the MX50. Lower distortion, better control and resolving power. A single differential input, single-ended voltage amplifier stage, three-stage inverted Darlington output.
Supply Voltage: + -15v to + -45v Output Power: 100W8R (+ - 42v) Voltage Gain GAIN: 34times Input Sensitivity: 1.2v 100w RMS 8 Europe SNR: More than 98DB Distortion: