FURMAN The PST 8D is the ultimate surge protection and power conditioning solution for high end home theathers, studios, and audiophile systems Equipped with eight AC outlets, it features Series Multi Stage Protection Plus (SMP+) and Linear Filtering Technology (LiFT) to deliver clean, consistent power and superior noise reduction Its ultra sonic filtered outlets isolate digital and video components to prevent interference, while Extreme Voltage Shutdown (EVS) protects against dangerous voltage spikes The PST 8D also includes in line surge suppression for telephone, cable, and satellite connections providing complete system protection and performance stability