Monster MP HTS5100 MKII Home Theatre Reference PowerCenter Dimensions: 3.88" H x 17.13" W x 14.63" D; weight: 20.35 lbs. Monster Clean Power? Stage 4 v.2.1 circuitry filter dramatically reduces electronic noise. T2? automatic disconnect/reconnect protection circuitry. Tri-Mode? power protection circuitry with audible alarm and auto disconnect. 6814 Joule rating provides a high level of surge absorption.