Electro Harmonix Iron LungBuilt around the finest aspects of our praised V256 vocoder, the Iron Lung is the baby brother housed in our smallest, die cast chassis . The Iron Lung uses the highest resolution of 256 bands to deliver defined vocoder performance while our famous Gender Bender control lets you adjust a male to female emphasis that delivers numerous and exacting possibilities at the turn of a knob. An XLR input allows your microphone of choice to be used with 3