■ Product Description Selling to organize equipment. This is the "Compressor (2-Knob)" by Keeley Electronics, a world-renowned compressor. This unit is an extremely early model with a serial number in the 400s. With different parts and circuit configuration from current models, it features a unique thickness and musical compression, making it a valuable collector's item. ■ Condition ・Operation confirmed (knobs, switches, etc. work well) ・Please check the photos for the appearance. There is a sense of use appropriate for its age, but there is no significant damage. ・This is a sale of the main unit only. ■ Notes ・Please purchase only if you understand the specifications unique to early models (shape of the back cover, internal parts, etc.). ・As this is used equipment, please refrain from returns or claims other than obvious malfunctions, from the perspective of preventing swapping, etc. ・We will pack it carefully and ship it promptly. If you were looking for one, please consider this opportunity.