Cited as a major influence by Wah masters such as Hendrix, Clapton and Vaughan, Buddy Guy helped establish the Wah- Wah as part of the blues vocabulary. This Signature Wah features a Fasel inductor and two distinct Wah voices - choose - deep" for a big throaty growl or - BG" for Buddy's own warm and bell-like tone. Separate LEDs indicate mode and effect on/off. Polka dot graphics and Custom Signature tread. True hardwire bypass. Powered by 9 volt battery or AC adaptor (ECB003).