Used Tech 21 SansAmp RBI Rackmount Bass Preamp in great condition��fully functional with minimal cosmetic wear. This versatile 1U rackmount unit delivers the legendary SansAmp tone with a wide range of warm tube emulation, overdrive, and rich harmonic depth. It features a Drive control, Presence, Blend, active 3-band EQ, an XLR DI output, and 1/4" parallel and effected outs for flexible routing in studio or stage setups. With a robust metal chassis and rack-ready design, the RBI is perfect for bassists seeking powerful tone shaping and reliable performance.