DI-1 direct box, made in Japan, with balanced output and INV/LIFT switches. - Model Name: DI-1 - Type: Direct Box - Country of Manufacture: Japan - Output Terminals: Balanced Output - Switches: INV, LIFT - Block Diagram: DI-1 BLOCK DIAGRAM Thank you for viewing. I purchased this new, but the box was already dirty at the time of purchase. Also, there is some dirt on the rubber part on the back of the main unit, but please judge the condition from the images. I have only used it once for testing. Please feel free to ask if you have any questions.