Used MXR THUMP Bass Preamp

Dial in massive low end with this used MXR Thump Bass Preamp in great condition, built to add punch, clarity, and growl to any bass rig. Featuring an all-analog preamp with a 3-band EQ and sweepable midrange, it makes it easy to shape your tone for stage or studio. The onboard Thump switch enhances lows while maintaining definition, and the clean boost provides extra output when you need to cut through the mix.