Furman Power Conditioner, White (PST-8D) Advanced Linear Filtering dramatically reduces AC line noise and contamination resulting in improved audio/video clarity Series Multi-Stage Protection Plus (SMP+) for the highest level of AC surge suppression; Automatic extreme voltage shutdown guards your valuable equipment from dangerous wiring faults Zero ground contamination circuitry assures the delivery of pure AC power thus protecting critical audio/video components Cable satellite and Telco connectors deliver advanced protection to connected equipment From the #1 brand in professional power conditioning. Perfect for instrument rigs, home recording, DJ equipment,pro audio rigs and home entertainment systems