BOSS MA-12 AV. Due to scratches and dirt, it's being sold at a bargain price! Please judge from the images. There may be oversights, so please understand that this is a second-hand item. I was able to get a simple sound out of it, but I don't have expert knowledge, so I'm selling it at a bargain price as a junk item! This is being sold as a junk item!! This product is a "junk item." It may not work or may be faulty, and there is no guarantee of operation. I am not currently in an environment where I can confirm its operation, so I am selling it as a junk item for parts! Please purchase only if you understand that this is a junk item! The condition may change after shipping, and there may also be deficiencies or errors in the description.