12-18v dc power supply = Shure PGX4 Wireless Receiver cable plug wall ac 12 volt

Multitester tested for voltage. This is a voltage EQUIVALENT adapter with the following specs: AC input: 120V (ordinary household wall outlet). Amperage can be higher, but never lower. Barrel plug with a hollow center. Please determine compatibility before purchase. Questions are encouraged. Photo is generic. Shape, size or color may differ from photo.S&H in the contiguous USA is $5.(insured shipping).Please see other interesting products by JGritUSPS DELIVERY TIME:As stated in the item listing, seller will drop-off your item to the USPS within 4 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 4 day drop-off time.