Monster MP HTS 1600 8-Outlet Power Center with Stage 2 Clean Power (Discontinued by Manufacturer) Monster Clean Power; Stage 2 v.2.1 circuitry filter dramatically reduces electronic noise. T2: automatic disconnect/reconnect protection circuitry. $350,000 Connected Equipment Warranty. Tri-Mode: power protection circuitry with audible alarm and auto disconnect. 3618 Joule rating provides a high level of surge absorption.