U.S.A made magnet   High pass variable crossover (on off switch and multiplier x 1, x 20 switch)   Low pass variable crossover (on off switch and multiplier x 1, x 20 switch)   2CH, 4CH input switch     RMS power at 4 OHM Stereo 150W x 2CH RMS power at 2 OHM Stereo 250W x 2CH RMS power at 2 OHM Stereo 500W x 1CH Damping Factor >400 S/N Ratio >100dB Total harmonic distortion 0.03%