Cicada Audio FLX2500.1 2500w X 1 MONO PRO AMPLIFIERRequires Lithium Battery Upgrade 2 AWG Power Wire 1 X 2500 WRMS into 2 ohms @ 14. 4 Vdc Frequency response 10 20,000 + 3dB THD < 0. 5% Operating Voltage: 9V 16V Current Draw (Music): 80 A Current Draw (Max): 260 A Recommended Fuse (Music): 150 A Total Efficiency: 80% Damping Factor: 200 SNR: 86dB Crossover HPF: 10 TO 80Hz Crossover LPF: 80 TO 20kHz Slope: 12dB per octave Gain: 0. 2V 12 Vac Turn On Configuration: REM DC THD + N (10% Rated Power): 0. 1%