12cm full-range speaker with a futuristic design, released in the 1980s. ・KORG "MM-25" External dimensions: 190 (W) x 275 (H) x 280 (D) mm Weight: 5kg Power supply: 100V (50/60Hz) Power consumption: 22W (From the manufacturer's catalog information) Easy to carry with a handle. Compatible with guitars and keyboards. Power on confirmed. *Other functions have not been confirmed. Noticeable scratches and stains are shown in the photos. *There may be other small scratches and stains not visible in the photos. This is an item from the past, so there is a possibility that it may suddenly stop working. Therefore, it is being sold as junk. Please consider this before purchasing.