This is a teenage engineering EP-133 K.O.II. Although it is new, it has a "defective fader." I purchased it new from the official teenage engineering website. Upon opening and checking it, I found that only the fader did not respond, a simple initial defect (a common issue with the initial EP-133 production run). I stored it in its original box in a non-smoking environment, assuming I would have it repaired. The rest of the unit's functions were checked for about 10 minutes and worked without issue, so it is practically unused. The repair method for the defective fader has already been established. You should be able to use it normally by referring to this video: https://youtu.be/R3Upohnhges?si=bFXiHi9kMtM7rOAP *The knobs are not attached to the main unit, and there are no missing accessories, such as the manual and stickers. I will also include a dedicated soft case (new and unused) that I purchased at the same time. When shipping, I will store it in the original box and pack it in a cardboard box with plenty of cushioning material (air caps). I am selling this to organize my equipment. (I may withdraw the listing at any time depending on the situation.) This is being sold as a defective item, so please understand this before purchasing. *Returns are generally not accepted to prevent swapping. *I am not accepting price negotiations.