Thank you for viewing. This is a three-type selector switch. Sound output has been confirmed, and operation has been verified only with INOUT. There are no included accessories. It will be packed in cardboard and shipped. [Condition] Please check the product condition in the photos. As this is old equipment, please refrain from purchasing if you are looking for a perfect item. Model Name: SansAmp Bass Driver DI Brand: TECH 21 Output Terminals: XLR output, Parallel output Controls: OUTPUT, TREBLE, BASS, DRIVE, PRESENCE, INPUT Country of Manufacture: Made in U.S.A.