Hey, I just purchased a Alpine Type X 10. its being powered by a rockford fosgate punch series 150w x 2 cheaters series amplifier. To my understanding the fosgate amps are not stable at less than 2 Ohms. Since im only powering one DVC sub i wanted to bridge the amplifier down. When bridging this amp, since its only two Ohm stable, do i need to wire this sub woofer in series, or parallel