Behringer Dynamic Wah DW400

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

Filter - A device used to separate mixtures

Filter - An optical device to remove or enhance particular wavelengths of light.

Sounds - Audible notes that can be heard using ears

Human - A highly developed and adapted mamal and deminant species on earth

Pedal - Something that is pushed and usually gives power.

Wide - Something with a large width.

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