The filter is controlled by its internal envelope follower, analyzing the volume of your notes and the dynamics of your playing to directly sweep the filter''s center or cutoff frequency.

A stronger attack or louder note will produce a wider frequency sweep while softer playing produces more subtle effects. Use the Q control to make the effect more dramatic.

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Specifications

• True bypass
• Drive control sets sensitivity and filter sweep range
• Selectable low pass, band pass or high pass filters
• Q control sets the filter''s bandwidth from smooth to funky
• Tough and compact die-cast chassis
• 9-volt battery included
• Optional 96DC-200BI power supply available
• Dimensions in inches: 4.0 (w) x 4.75 (l) x 2.25 (h)
• Dimensions in mm: 102 (w) x 121 (l) x 89 (h)