The "GED-2112" Preamp Pedal "YYZ" has been compactened to the "Gedy Lee Signature Model. This model also features MIX knobs that change the ratio of clean and tube gain to reproduce the layered sound you use. Equipped with Sons Amplifier technology, you can make sound by EQ in direct sound without the unique sound of recording. Drive directly to power amplifiers and speakers or transfer directly to mixers and PA at live performance MIX controls are adjustable to blend latency from clean to dirty base amp tone. ■ Tight button creates moderate distortion. ■Drive control adjusts gain and overdrive levels.