Vintage germanium boost using old USSR germanium transistors. Push your tube amp into sonic heaven! Increase overdrive & sustain with classic germanium tone. Three switchable modes of boost:

- Treble Boost to capture classic 70’s tones
- Mid Boost to cut through the mix
- Bass Boost for BIG bottom end
- Power from external adapter 9V.
- 90x36x30 mm 3.54"x1.41"x1.18"