I've introduced "Yamaha receiver RX 681" and polkaudio subwoofer from USA which run on 120v 60hz but in India I have 230v and 50hz.INC. MILPITAS. CA 95035(877)757-3863"The sale of the item may be matter to regulation from the U.S. Foodstuff and Drug Administration and state and native regulatory businesses. In that case. Don't bid on this product E