Xotic BB+ Plus Overdrive / Boost PedalXotic's BB+ Plus is an Awesome 2 Channel Preamp Booster. Channel A is the Soul of the Original BB Preamp. It has a Very Open, Amp like feel with Rich Harmonics and Enough Gain for a Killer Crunch Sound. It's got Volume, Gain, and Tone controls, as well as a Comp switch, which switches between different cutoff frequencies. Channel B is an Ultra Versatile Booster (which can serve as a killer overdrive in its own right). It has Volume, Gain, 3 Band EQ,