100% new 500-3000W voltage transformer 110v to 220v voltage converter copper wire and real capacity 500W 110v to 220v ... UK, Europe, Asia and other overseas countries with 220-240V voltage standard in Canada/USA (110/120V) appliances Techical parameter110v TO ... ) We have one hundred percent 500W,1000W, 2000W ,3000W voltage toroidal transformer for selling, welcome to choose. apply to power amplifier, ...