Greuter Audio Colour Boost White on Purple

The same boost circuit as in the Fuller Drive, with an additional control for the input capacitance, as well as an active tone control. Based on the legendary Treble Booster, the signal is boosted in the treble, made nice and dirty and slightly distorted.
The input capacitance control has a subtle but significant effect on bass and treble, and makes your guitar stand out beautifully from the mix.
Built in Zurich!