Now you can command the same killer Wah tone as Kirk with the new Kirk Hammett Signature Wah. Developed in close collaboration with the metal guitar icon himself, it has been meticulously tuned and tweaked to deliver the Wah-Wah sound that revolutionizedmetal solos in the 80's and for all time to come! This is the legendary tone that Kirk dials in on tour,using his DCR1SR Crybaby Rack Wah. Dunlop=sengineers took Kirk=s EQ, volume and tone settings - reflecting decades of blazing Crybaby riffology and reproduced them with exacting precision. The Kirk Hammett Wah is exceptionally even in response as you move from heel to toe, with a thick top end and full dynamic range. Dare to step into the footprint of a giant! True hardwire bypass. Powered by 9 volt battery or AC adaptor (RPC921R).