UNBELIEVABLE “TALKING” WAH EFFECTS! The BOSS AW-3 Dynamic Wah pedal gives guitarists a wide range of classic auto-wah and dynamic wah effects, plus a new "Humanizer" effect which can simulate human vowel sounds. A Bass input provides a variety of funky wah sounds for bass guitar. Compact pedal creates a variety of classic "wah" effects Dynamic wah sounds provide variable effect based on picking strength "Humanizer" effect creates human voice-type vowel sounds Dedicated Bass input for processing