Positive Grid CONTROLLER Footswitch amp-pedal It has two filters

It has two filters

Low-pass filter cutoff expression pedal input

For larger systems

but with a musical slew that is reminiscent of turning the varispeed knob on a vintage British tape delay

Output Power: 221 mW per side

Positive Grid CONTROLLER Footswitch amp-pedal It has two filtersWireless Footswitch for Spark Amp & App. Get the most out of your Spark amp and app with Spark Control a wireless pedal designed for Spark to easily swap presets, toggle effects, and much more. Spark Control: Customizable, future proof wireless control for the Spark amp and app. Spark Control goes beyond traditional foot controllers with an expanding library of innovative features and functions. No complicated setups. No cables are required. Seamless.