The Gumball is a silicon germanium distortion hybrid, the best of both worlds, the spongy and harmonically rich sound of the germanium and the definition and loudness of silicon, as its name suggests the Gumball has a sticky sound quality, perfect for heavy rhythm work and riffing. The sustain you expect from a germanium fuzz and the definition and solid sound of a silicon distortion. Features: 1.5mm Steel enclosure Point to point handwired 2x Germanium transistors (Powered with 9V DC supply (standard “Boss TM” type) only) 1x Silicon transistor Original circuit. True bypass. Volume, gain and tone controls.