Tested and fully working, fair amount of scratching to case as seen in photos but does not impair functionality and will not be seen if mounted in rack. Wide-ranging controls: It has extensive threshold, ratio, and output controls, making it adaptable for various applications12. RMS level detection: This provides natural-sounding compression, from subtle adjustments to “brick wall” peak limiting12. Compatibility: It works with both balanced and unbalanced systems and can be stereo-coupled12. Durability: The 160A is built with a robust chassis, making it suitable for both studio and live environments12.