BMF Effects GB Boost (Germanium Booster)Not just another pretty faced treble booster! The GB Boost starts with the classic germanium fueled treble boost design and adds a tone knob for even more control over your boosted sound. Extremely versatile, the GB Boost can be used before your gain pedals to create a second channel; at the end of your signal chain to push you up and over during a solo; or straight into an amp thats on the verge of breaking up to give you more drive. The options are