Take your favorite studio compressor to the stage with the MXR M87 Bass Compressor. A comprehensive set of Attack, Release, Ratio, Input and Output controls let you fine-tune your sound, from subtle peak limiting to crushed compression effects. Its CHT Constant Headroom technology gives you plenty of headroom and clear performance. This completely transparent compressor allows your entire dynamic range to shine until your signal reaches the compression threshold, which is indicated by the ten highly visible gain reduction status LEDs. It's all packed into a durable, lightweight aluminum pedal the size of a Phase 90.