Feature:1. This power amplifier has lower distortion, better control and resolution.2. Single differential input, single-ended voltage amplifier stage, three-stage inverted Darlington output.3. The output stage of this product uses KTB817 and KTD1047, which have stable performance.4. For PHILIPS/KEC transistor, for ST/EVOX producing for CBB capacitor and for KEMET/TDK monolithic capacitor.5. The amplifier is made of high quality material. Exquisite workmanship, long product life.Specification:Item Type: Stereo Power AmplifierPower Supply Voltage: +-15V to +-45VOutput Power: 100W8R+ -42VVoltage Gain: 34 timesInput Sensitivity: 1.2v 100w for RMS 8 EuropeSNR: More than 98dBDistortion: <0.009 for THD 1kHZ 10WOutput Stage Quiescent Current for IQ Per Channel: About 30mAPCB Size: Approx. 77x74mm/3x2.9inchPackage List:1 x MX50 SE Kit