From "KORG," a manufacturer that produces and sells electronic musical instruments such as synthesizers, digital pianos, and DJ equipment, comes a futuristic-design 12cm full-range speaker released in the 1980s: ・"MM-25" Built-in Amplifier Speaker 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 and sound output confirmed OK *Some noise and crackling may occur when switching VOLUME or FUNCTION. Not all functions have been checked. Photos show the most noticeable scratches and stains, but some scratches, stains, and blemishes may be difficult to see in the photos due to lighting. This is a vintage item, and there is a possibility that it may suddenly stop working, so it is being sold as junk. Please read the product description carefully and consider purchasing with your understanding and agreement.