The original Heil Talk Box is back in style. You too can recreate the sounds popularized by: Peter Frampton, Joe Walsh, Slash, Alice In Chains, Aerosmith and others. Easy to Use! Can be set up with one guitar amp, but requires separate microphone and mic amp. Features: Sturdy metal body, 6-1/2 feet of surgical tubing and a sturdy phenolic diaphragm. Powered by your amplifier's external speaker jack.