Trademark Tone Without The Hassle The BB Precomp offers a wide variety of sound. It’s capable of 30dB+ clean boost with adjustable 15dB two band active EQ’s which adds a wide range of harmonic content for your ideal sound. The BB also utilizes a pre-gain stage which allows the pedal sounds a very pristine clean to a very compressed smooth overdriven sound. True bypass for eliminating any signal interference when it is switched out. All hand wired and hand crafted in the U.S.A. Can be used with AC adaptor (optional) or 9V Battery. ” The BB Preamp is a great sounding soft Distortion and Sustain pedal. It really produces a great fat singing lead tone! The BB gives you a more sustained focused lead tone than the AC. Between the RC, AC, and BB, you can cover all your boost, overdrive, and gain needs! SPEDIZIONE GRATUITA!!!!!