The MXR Bass Preamp combines a pristine bass preamp with astudio-quality Direct Out in a Phase 90-sized box, providing clear tonewithout hogging precious pedalboard space. Use it to add a new voice toan old passive bass, sweeten up any amp, or put some special sauce on aparticular song. Dial it in just the way you want it and send itstraight to the house—pre or post-EQ—with the built-in Direct Out.