Multitestor tested for voltage. Plug-In wall mount AC-DC voltage EQUIVALENT adapter to many Korg effects pedals with the following specs AC input 120V (ordinary household wall plug outlet). Amperage can be higher, but never lower. Round barrel connector with a hollow hollow center. Please verify your product needs before purchase. Questions are encouraged. Shape, size or color may differ from auction photo. Special heavy wrapping is provided to protect the prongs. S H in the contiguous USA is $6.(insured shipping). Please see other interesting auctions by JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time.