Trunk Mount Amplifier (120-1971B) Specifications Faxback Doc. # 18182 10% THD Output Power @ 14.4 VDC 1 kHz:..............................50W x 2 Frequency Response:....................................20-20,000 Hz (± 3dB) Input Impedance:...................................................10k Ohms Input Sensitivity (for 10% T.H.D. Output Power): Low Input:........................................................250 mV High Input:........................................................2.5 V Power Supply Voltage:.............................DC 14.4 V Negative Ground Matching Speaker Impedance:........................................4-8 Ohms Maximum Current Draw:...................................................15A Dimensions:.....................................2 1/16 x 7 7/8 x 7 7/8 inch (52 x 200 x 200 mm) HWD Net Weight:...............................................3.9 lbs (1.77 Kg) (CS 10/10/95)