is this too much power for a stock alternator... i have an 01 f150
CEA Rated: Yes Power Output: 456 watts RMS x 1 channel at 4 ohms and U 1% THD + N 657 watts RMS x 1 channel at 2 ohms, 14.4V supply and U 1% THD + N Signal-to-Noise Ratio: 70 dBA (reference 1 watt into 4 ohms) Dynamic Power: 761 watts at 2 ohms Effective Damping Factor: 6.336 at 4 ohms Frequency Response (-3dB): 17Hz - 251Hz Maximum Input Signal: 6V Maximum Sensitivity: 250mV Output Regulation: .179 dB at 4 ohms