Multitester tested for voltage. This power supply adapter is volage EQUIVALENT to Cambridge Soundworks and Creative used for speaker models GCS300, SBS36 and SBS36B . Power supply Input: 120VAC and DC Output: 9V / 0.4A (9 volts 400mA). Round barrel connector with positive center. Please check your device for power requirement. Photo is generic. Shape, size or color may differ. May be brick-type or wall-type power supply adapter (see photos). S H in the contiguous USA is $7. (insured shipping). Please see other interesting items 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.