It usually works best for bass instruments, mainly because mostly you don’t need the high treble frequencies. If you chose to set it to LP – meaning Low Pass Filter, Then only the Low Frequencies (bass or sub) will go through. Or in other words which frequencies will be filtered. This switch sets which frequencies will be cut. ( Click Here for a detailed review of Line 6 Synth and Filter sounds).Ī Playlist of me playing several envelope filters pedals Mode / Filter / Shape Keely Neutrino Envelope Filter (Buy on )ĮarthQuaker Devices Spatial Delivery (Buy on )Īnd Line 6 Filter Modeler, available in these Line 6 Products: I will go through knobs and switches that are found on these pedals:Įlectro-Harmonix Bass Micro Synth (Buy on )Įlectro-Harmonix Micro Synth (Buy on )Įlectro-Harmonix Q-Tron (Buy on ) Let’s review and explain the most common possibilities found on some of the most popular filter pedals. With Envelope Filter/Auto-Wah pedal, the frequencies will sweep dynamically according to your playing.ĭifferent pedals offer different options for controlling this movement. It is exactly what you do with your foot when you’re using a wah-wah pedal. It boosts the bass or the mid-range and moves it towards the treble range.

What is an Envelope Filter?Īn Envelope Filter is an effect that modulates the sound of your guitar by sweeping one frequency or a range of frequencies. I will go through the basics of eq filtering and other settings that you can find on these kinds of pedals, and then apply these principles to popular pedals and their knobs. In this post, I will try to explain most simply, what is the proper way to work with envelope filter/auto-wah pedals as well as synth pedals.

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