Auto-wah

Auto-wah (also known as a "Q-wah", "T-wah", "envelope following filter", "envelope follower" or "envelope filter") is a type of wah-wah effects pedal typically used with electric guitar, bass guitar, clavinet, and electric piano etc. The distinctive choppy rhythm guitar sound on many funk and disco recordings from the 1970s popularized the effect.

Auto-wah

Auto-wah (also known as a "Q-wah", "T-wah", "envelope following filter", "envelope follower" or "envelope filter") is a type of wah-wah effects pedal typically used with electric guitar, bass guitar, clavinet, and electric piano etc. The distinctive choppy rhythm guitar sound on many funk and disco recordings from the 1970s popularized the effect.