This is a Studio Technologies 220 Announcer's Console Tech with a power adapter. It is a great piece of pro audio equipment that will make a valuable addition to your collection. This console tech is made by Studio Technologies, a well-known brand in the industry, and is perfect for those who want a high-quality announcer's console. The model number is 220 and it has not been modified in any way. This item is a great investment for those who are looking for a reliable and high-quality piece of pro audio equipment.