Ultra-compact pedal preamp inspired by the legendary predecessor DB 924. This FET preamp offers a 2-band EQ (18 dB at 40 Hz for bass; 18 dB at 4 kHz for treble), which makes it easy to enhance and strengthen the bass and add fullness to it. beautifully open the sound at treble frequencies. The pedal works in the Gig-saver bypass mode, based on which the signal passes through the pedal even if the battery is completely discharged. The preamp can therefore be powered by a 9V battery or an adapter that is not included in the package. Input and output connector: 6.3 mm Jack (unbalanced). You will find all this in a silver durable metal construction that will fit your pedalboard well.