The sound of the wah-wah effect resembles its name: wah-wah is a filter- based effect that imparts a speech-like quality to the input sound, similar to a voice saying the syllable “wah”. Wah-wah is ...

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 ...

A group of former Purdue University students is trying to patent and license the “Ghost Pedal,” which uses sensors to detect the position of a guitarist’s foot and simulate a physical wah pedal based ...

A version of this piece orginally appeared on The Week. Jimi Hendrix making his guitar "talk." Peter Tarnoff/Retna Ltd./Corbis The wah-wah pedal makes a guitar sound as though it's singing "wah, wah, ...

The wah pedal has been responsible for some truly iconic moments in electric guitar; that 'talking' sound you've heard from players including Jimi Hendrix and Richie Sambora on classic songs. Listen ...