The MXR M104 Distortion Plus versatility allows it to go far beyond the '80s though and can be dialled from a warm, saturated crunch, to thick, gritty, full-blown distortion. One of the first distortion pedals to utilise op-amps, the famous 741 chip can generate a massive 46.5dB to bring your playing to life and stand above the mix. When you need some music muscle, this is the distortion pedal to turn to
