Check the listing for details. Electro-Harmonix Blurst Modulated Filter. Condition: New. Listed at 156.00 USD. Electro-Harmonix Blurst Modulated Filter Maker: Electro-Harmonix Model: Blurst Modulated Filter Condition: New Description: EHX has grafted technology found in keyboard and modular synthesizers into a pedal designed for guitarists and bass players. The Blurst modulates an instrument’s sound like an envelope filter, but instead of the filter’s response being controlled by playing dynamics, it’s controlled by an internal oscillator. The Blurst is a must have for the adventurous player who wants to explore new sonic territory! Maker: Electro-Harmonix Model: Blurst Modulated Filter Condition: New Description: EHX has grafted technology found in keyboard and modular synthesizers into a pedal designed for guitarists and bass players. The Blurst modulates an instrument’s sound like an envelope filter, but instead of the filter’s response being controlled by playing dynamics, it’s controlled by an internal oscillator. The Blurst is a must have for the adventurous player who wants to explore new sonic territory! eBay integration by