Tech 21 SansAmp RBI Rackmount Bass Pre amp The Guitar Boutique Use the Dry knob to

Use the Dry knob to mix your direct bass signal with the octave effect

Holds either an acoustic or electric guitar

the Ring Thing will become your sonic dream machine

turning any laptop or desktop computer into the ultimate electric keyboard instrument

Each reissue is 100% true in every detail to the original [the parts are interchangeable with the 50+ year old originals]

Tech 21 SansAmp RBI Rackmount Bass Pre amp The Guitar Boutique Use the Dry knob toThe 1U rackmount SansAmp RBI is a pumped up, expanded version of our popular SansAmp Bass Driver DI pedal. In addition to Drive, Presence, and active Bass and Treble controls, the SansAmp RBI has a dedicated Mid control and an XLR Output Level control for optimum performance with PA systems. It also features an Effect Loop with a Mix 50 50 switch (for parallel or series operation), an XLR output with selectable levels, and a buffered direct XLR output