I'm selling this item at a low price because I no longer need it. I bought it from a shop and only used it once for a studio practice. I've since purchased a power supply. There are no issues with its operation or performance. Changes from the PSA100S: * LED lamp changed from green to blue. * Cable length changed from 3m to 2m. * Package design changed. Main Specifications: * Input: AC100, 50/60Hz, 7VA * Output: DC9V, 500mA, 4.5W * Cord Length: Approximately 2m ## UD20160226 ## Changes from the AC100V adapter PSA100S: LED lamp changed from green to blue. Cable length changed from 3m to 2m. Package design changed. Main Specifications: Input: AC100, 50/60Hz, 7VA Output: DC9V, 500mA, 4.5W Cord Length: Approximately 2m Retail Price: ¥2,860 (including tax) / piece × 2 = ¥5,720 *Please understand that this is a used item before purchasing. Although a minor detail, one of the boxes has tape marks from when I bought it at the shop, but there are no issues with the product itself.*