Source Audio has announced the availability of the Soundblox Guitar Envelope Filter pedal. The new stompbox comes packed with 21 individual envelope filter effects, costs $119 (street), and is ...

There are no subtle wah textures; the 440 is all about in-your-face filter goodness, with a host of intuitive, faithfully recreated tones. Not a lot. MusicRadar's got your back Our team of expert ...

An Auto Wah pedal (or Envelope Filter) automatically creates a "wah" sweep by reacting to the input signal's volume, or "envelope," making a manual foot treadle unnecessary. Top pedals like the Boss ...

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