The "La Compressor" does not change the tone of your instrument, most Compressor pedals change the sound of the instrument for the sake of the compressor. This pedal allows the full frequency of your instrument to pass through, this is why it sounds more like Studio Compression. It is the Warmest, Smoothest compression you have ever heard. Between the Gain and Peak Reduction you can get any amp to come Alive! Plus, it can be set for unity gain, or turn it up! for a Boost!