Stetsom BRAVO FULL 3K Digital Full-Range AmplifierTechnical Specifications (1 Ohm) Number of Channels 1 RMS Power at 1 Ohm @ 14. 4V 3500W RMS Power at 2 Ohms @ 14. 4V 2100W RMS Power at 1 Ohm @ 12. 6V 3100W RMS Power at 2 Ohms @ 12. 6V 2000W Minimum input sensitivity 200mV Signal to noise ratio >90dB Frequency response ( 3dB) 10Hz ~ 22KHz Crossover low pass 90Hz ~ 22KHz Crossover high pass 10Hz ~ 90Hz Bass boost Freq: 30Hz ~ 70Hz Boost: 0dB ~ +10dB Input impedance 18K Ohms Supply voltage 9V ~ 16V DC