This top-of-the-line DI is an active direct box that operates with batteries or phantom power. Its super-clean front-end circuitry delivers extremely wide and flat frequency response and will reveal hidden harmonics from guitars and basses with high-output passive pickups. Features include: 1/4" parallel wired in/out jacks Ground Lift switch to help eliminate hum and buzz Input switch selects between instrument/line or speaker level input signals LED indicates "ON" status Specifications: Input I