Vintage Fisher amp. We are unable to test more than powering up. May work fine. May have issues. Selling as is. Don't Forget to Follow on Instagram Nevermore_Sales See photos as they are an important part of the description and will help you know what you are bidding on. I do not accept returns. I do my best to describe all items but Sometimes I miss things so the photos are important. . Please Please ask questions. Thanks for bidding and good luck. Check out all my items for some great finds. Lots of cool stuff at my sales. I can combine shipping on most.