Specially designed car audio power amplifier with 4 channels. Heat management system. High efficiency mosfet power outputs. Built in low pass and high pass. Level control input sensitivity control. Impedance: 4-8Ohm. Frequency response: 20Hz-30,000KHz. Max power output: 4*80W; watts: 2*130 watts. Max power output: 4*45W; watts: 2*100 watts. Sensibility: 200mV-2V. Channel separation better than 50dB. S/N Ratio: more than 80 dB THD: 0.1%. Fuse rating: 30A. Attention:   Since this SKU is over 2 KG(exceeds airmail’s limitation for weight), FocalPrice will Ship it via EMS separately. Customers do not need to change the shipping method for the whole order if you want other products to be shipped by airmail. Normally, EMS fee is covered by the price. But for some countries in South America, East Europe and Africa, additional shipping fee will be charged due to the high EMS fee.   To view whether additional EMS fee will be charged for your destination, please click the link below   http://www.focalprice.com/helptype.html?ParentID=&TypeID=&helpID=28#28