This is the MXR M87 bass compressor. As the photos show, it's a beautiful item with no scratches. All accessories are included. For natural-sounding compressors, it's probably the next best thing after becos and Empress. However, it's much cheaper than those. becos and Empress have many knobs and are very complex. Compressors are a matter of preference, but for a simple-to-use, natural-sounding compressor, there's no pedal better than this one. It's also popular and not widely available. How about it? - Model Name: M87 - Type: Bass Compressor - Features: OUTPUT, RATIO, INPUT knobs - Accessories: Quick guide, box - Condition: Like new Thank you for looking.