This eBay listing is for ONE AJA OEM AC Power Adapter for the Ki Pro, 12V~5A , 4- Pin XLR. Used and in perfect working order. Comes as shown with 1x AC power cord. It may be compatible with other AJA products with the 4-pin XLR type power input that requires 12V DC. I'll give it my 30 day No DOA Warranty. Buyer pays $8 S/H via USPS Priority Mail. Buy with confidence from Esoteric Specialties!