GREUTER AUDIO Natural Selection boogie-juice Delta III features a three

Delta III features a three transistor all analog audio circuit

These are negative ground pedals so you can daisy chain them on a standard power supply

Daisy chain power supplies are not recommended

Organic Sounds' first-ever original OverDrive pedal

Alnico 2 flat poles

GREUTER AUDIO Natural Selection boogie-juice Delta III features a threeThe new Greuter Natural Selection Overdrive is a natural and organic sounding overdrive pedal that retains and even amplifies your tone and the directness between guitar and amp. It responds very dynamically to your playing and to the guitar volume settings. With the Natural Selection, you can add musical overdrive to your favorite guitar sound without changing the tone. So you dont have to turn up your amp loud to get beautiful overdriven tone. With