DBX 560A Modular 500 Series Compressor/Limiterdbx DBX560A overview The 500 Series 560A Compressor Limiter from DBX offers VCA based compression with the switch selectable OverEasy and Hard Knee compression curves. With a wide ranging threshold, ratio and output controls and true RMS level detection, the compressor provides natural sounding dynamics. The 560A will provide much needed punch to drums, bass, vocals and also subtle compression to "brick wall peak limiting. Choose low ratios and