Detailed Product Description power amplifier,MA1202,MA2402,MA3600VZ,MA5002VZ4ohm dual 750w8ohm dual 505wInput/Output Input Connector: Two balanced 1/4-inch phone jacks on the back panel and two balanced three-pin female XLR connectors on the factory-installed PIP2-FXQ.Input Impedance: Nominally 20 k ohms, balanced. Nominally 10 k ohms, unbalanced.Input Sensitivity: Settings include 0.775 volts or ...