The Thermion Gasoline is a High Gain Pedal that can be used in front of an Guitar Amp but it also works as a Preamp hooked up directly to your Power Amp or FX Return.
The handbuild Pedal is also shipped with the SE2 Technology wich offers a wide variety of Impulse Responses in Studio Quality when you record directly into your Soundcard.
More Infos:
Soundfiles/Video: Bassel el Hallak