This is an MXR buffer. While there are no noticeable scratches, please refrain from bidding if you are concerned about the condition. Operation has been confirmed. Please understand that as this is an electronic device, we cannot accept returns or refunds for any reason to prevent issues such as parts replacement. This is a buffer from the MXR and Custom Audio Electronics (CAE) collaboration series. It not only improves sound quality through buffering within a pedalboard but is also excellent for driving two amplifiers or as a signal splitter from the pedalboard to an amplifier and DI. Both outputs 1 and 2 can be buffered, and you won't experience any signal degradation when splitting the signal. It's especially ideal for sending signals from pedals on your board to a DI like the Two Notes OPUS. The buffer for output 1 can be turned ON/OFF with an internal dip switch, but for this type of use, it's recommended to keep it ON to benefit from the gain adjustment, low-cut, and high-cut switches. *You need to remove the three jacks to operate the internal dip switch. Please be careful not to damage them during removal. Also, if the power supply is lost due to some kind of trouble, it will automatically switch to a true bypass, so you can use it with confidence as the sound will not be cut off in the event of a failure. It's a must-have item for today's era, not only for sending signals to a regular amplifier but also for line outputs, which have become mainstream. Specifications: 9V AC/DC adapter operation only Current consumption: 43 mA #MXR MC406 CAE Buffer