15V dc power supply ADAPTER = YAMAHA YST MS30 speakers

Multitester tested for voltage.This is a voltage EQUIVALENT power supply adapter for YAMAHAspeakers with the following specs: Input: AC 120Vand DC Output: 15V / 1.2A (aka:15 volts DC 1200mA). Amperage can be higher, but never lower. Round barrel connector witha POSITIVE PIN center. Item may differ from listing photo. Photo is generic.S&H in the contiguous USA is $6. (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 strictlywithinUSPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.