WAH-WAH PEDAL The Wah-wah V845 is a new version of the most famous guitar effects pedal of all time. Based on the specifications of the original pedal developed by VOX in the 1960s, the Wah-Wah Wah V845 offers guitarists the same legendary Wah tone in a new robust yet highly affordable design. - Input jack connector. Output jack connector. AC adapter connector. Power: 9V battery (duration: up to 100 hours depending on use) or optional NT-4 AC adapter. Dimensions: 102 x 75 x 252 mm (width x height x depth). Weight: 1.67 kg (without battery)