Sanus EcoSystem 3U High Volume Fan Home Theatre Speakers Two over sized high capacity toroidal core power Two over sized high capacity toroidal core power transformers are employed in the UD 505 The key feature of the 190XPRO3 is its 90 degrees centre column mechanism which allows the column to be extended vertically as normal or horizontally to open up a wide range of framing and shooting possibilities SANUS Component Series CAFH01 3U high volume fan easily connects to the CAPT01 MultiVolt Power Supply to help create the SANUS EcoSystem™ a fully customizable accessory that serves as the single power source for all low voltage equipment in an AV rack plus Power Wire