Power Amplifier Mobil 4 Channel THUMP TP-604 Original Specification: DC 12v - 14V Frekuensi: 40Hz - 16kHz 12000 watts Max. Output Power 50x4 Watts RMS, Ouput Power (4Ohm) 3-8 Ohm Load Impedance Capability Input Gain Control 30Hz-500Hz Variable Low pass filter 30Hz-2KHz Variable high pass filter Low-pass / Hi-pass Selectable Crossover Protection: Thermal, Short Circuit amp; Over S/N Ratio: 85dB T.H.D : 0.05% RCA amp; Terminal Connectors