Furman IT-Reference 20i 12-Outlet Discrete Symmetrical AC Power Source Discrete Symmetrical Power with Dual-Screen Technology cancels hum-inducing noise from audio and video Five discrete power banks eliminate inter-component noise and interference Power Factor Technology provides over 80 Amps of peak charge surplus current for power-starved amplifiers Linear Filtering Technology dramatically reduces differential AC line noise Comprehensive, non-sacrificial AC surge protection