Ibanez TS9DX Turbo Tube Screamer. Power supply operation has been confirmed, but battery operation could not be confirmed. Operation has not been confirmed, so it is treated as junk. Please consider this item with the understanding that it is a used product. *Please refrain from purchasing if you are concerned about minor scratches or stains. *This is being sold as a junk item, so please refrain from purchasing if you do not understand this.