Electro Harmonix LPB-1 Linear Power Booster Preamp - BOOSTER / SUSTAINER EFFECT WITH PEDAL FOR GUITAR

(This text is machine translated) An exact reproduction of the original LPB-1, the circuit that ushered in overdrive in 1968. Put this little monster on the line before any effects to boost boost and definition. Enhance the gain and saturation of your amp. With the LPB-1 Power Booster you will also be able to improve the performance of all other effects, especially distortion devices.