Product Description Multifunctional audio dynamics processor, equipped with expander/gate and compressor functions. - Model Name: COMPOSER PRO-XL MDX2600 - Type: Audio Interactive Dynamics Processor - Functions: Expander/Gate, Compressor/Limiter - Connection Terminals: Input/Output terminals - Adjustment Knobs: Gain Reduction, Threshold, Release, Attack, and other adjustment knobs The following is the condition: Operation confirmed. Beautiful item in good storage condition. Almost no scratches or aging. You may find minor scratches here and there if you look closely, but they are hardly noticeable and pose no problem. The item is for sale with the main unit only. Please use a genuine or universal adapter. An instruction manual is included as an accessory. Basic operation has been confirmed, but not all functions have been checked. Please understand that it was usable without problems in normal use. Please consider purchasing after understanding that this is a used item.