CLASSIC PRO Power Amplifier V1000 Plus ※Important※ The exterior has scratches and dirt from use. No wiring. Since there is no operating environment, no operation check has been performed. Therefore, no warranty is provided for any reason, including malfunctions, partial functional defects, or the need for repairs. Please purchase only if you understand that the item is sold as-is. Cancellations, returns, refunds, and claims are not accepted after purchase. Simple cleaning has been done. At that time, the filter on the front air vent was crumbling due to aging. Please check the photos carefully for the condition. If you have any questions, please be sure to ask before purchasing. Anonymous shipping.