*3-Band EQ with sweepable midrange *Studio-quality Direct Out *Constant Headroom TechnologyTM for clean, crystal clear toneThe Bass Preamp combines a crystal clear bass preamp with a studio-quality Direct Out in a Phase 90-sized box. Add a new voice to an old passive bass, sweeten up any amp, or put some special sauce on a particular song, and then send it straight to the house, pre-or-post-EQ.