I bought this pedal, because I play a lot of reggae, ska and punk rock. For the first two genres this pedal comes in VERY handy because as a limiter, it evens out the volume of the skanks and when playing lead it keeps my signal tight. For those who are curious: I have the compression set at 2:1, with a slightly lower threshold, and to compensate volume loss, the gain up a bit. To my ears at least, the perfect reggae and ska settings. For leads an overdrive after it helps cut through.
One thing to note is that this is the most quiet compressor I have ever owned. The blue light is not as blinding as some other blue LEDs on other pedals that are equipped with them, which is greatly appreciated and as such, it does not distract while playing / singing live.
This is the compact compressor/limiter king and Keeley has really outdone themselves here. 100% recommendation.