Electro-Harmonix BLURST! Modulated Filter PedalThe Electro Harmonix Blurst is a modulating filter pedal which affords electric guitar players bassists control parameters more commonly found on modular synthesizers. With this pedal, you can achieve a wide array of strange, esoteric sounds and soundscapes, as well as more common envelope tones, and even timbres similar to that of a phaser. In fact, the pedal functions similarly to an envelope filter, but the filter here isnt controlled by your