Check the listing for details. Electro-Harmonix Wailer Wah guitar effect pedal. Condition: New. Listed at 72.60 USD. Wailer Wah Wah Pedal The Wailer Wah features the great sound and tone of the award winning Crying Tone Wah in a rugged, lightweight pedal and with a traditional rack and pinion style operating mechanism. It’s also extremely affordable. new Electro-Harmonix Wailer Wah guitar effect pedal. Does not include power supply. 683274011806 Quick Specs - Killer wah and cocked wah sounds - Traditional rack and pinion style operating mechanism - Super affordable - Rugged yet lightweight, at just over 1.5 pounds it’s lighter than most popular wah pedals and a real weight saver for your pedalboard - 9-Volt battery included, also accepts optional EHX 9.6VDC-200mA power supply - Current Draw: 6mA @ 9VDC - Dimensions in inches: 3.5(w) x 10(l) x 3.5(h) - Dimensions in mm: 89(w) x 254(l) x 89(h)