This is the YAMAHA MU2000, the flagship model of the MU series DTM sound modules. It was at the pinnacle of DTM environments at the time, boasting high expandability and multi-functionality. Top-of-the-line XG sound source: Designed with a generous 64 parts and a maximum polyphony of 128 notes, it has 1454 built-in voices. ⚙️Condition This is a used item. 【Operation Check】We have confirmed that the power can be turned on. (Supplement) Due to the age of the sound module, we cannot guarantee sound output from all parts, the sampling function, or the normal function of each button and knob. Please purchase only if you understand audio equipment. The exterior may have scratches, scuffs, and stains due to normal use. Please check the images. Since there is no mention of accessories, this item will be sold with the main unit only. (Please check for the presence of a power adapter and cables) ⚠️Notes Returns and exchanges are not accepted after purchase. Please understand that this is an old, used device before purchasing. For detailed specifications and operating instructions, please refer to the official website below. YAMAHA MU2000 Official Page https://jp.yamaha.com/products/music_production/synthesizers/mu2000/index.html