Offers high-quality sound. Classic Pro CP4200 power amplifier, with user manual. Operation confirmed. Good condition. - Model Name: CP4200 - Accessories: User manual - Color: Silver - Control Buttons: Volume adjustment, power switch, input selection button - Connection Terminals: Speaker terminals, input terminals - LED Indicators: Blue LED I am not fluent in English, so if you are from overseas and not familiar with Japanese, please use someone who understands Japanese to assist with the transaction. ☆ Please review the product information carefully before considering or asking questions. I may not respond to questions that are already covered in the description. I am not responsible for any refunds or partial refunds if the product is damaged during shipping. No returns, no claims. We appreciate your understanding and look forward to your purchase. #classic PRO #power amplifier #amplifier