SMP+ Series Multi-Stage Protection Plus for non sacrificial AC surge protection * EVS, Extreme Voltage Shutdown * LiFT offers AC power filtering to ensure clean power for unequaled audio & video clarity. * Additionally, the P-1800 AR is a full-featured power conditioner that filters and purifies AC power, reducing line noise and ensuring optimum performance. * This circuitry provides the highest level of power protection available. * Additionally, the P-1800 AR is a full-featured power conditioner that filters and purifies AC power