Inquiry (采购产品): stepup & stepdown hello sir, i would like to know about stepup & stepdown transformer's. how can i use this stepup, to convert 220v to 110v. back side of the stepup they show's 240v 220v 200v 110v and the front side 110v 220v if i need to use this stepup for 110 , where i need to put the small plug coming with the transformer. i just put 220v on the back side and 110v on the front side. then my speakers getting hot. can u suggest how can i plug in? thanks. biju **** Hidden Message ***** biju sadanandan 90701 Company: csa E-mail: bijucsa04@yahoo.com **** Hidden Message ***** bijucsa04@yahoo.com