Inspired by its predecessor, the legendary DB 924, this discrete all-FET preamp delivers powerful broadband boost in a lightweight, space saving micro housing. Its musically sculpted two-band EQ enhances any bass you run through it, adding body and weight to your low-end while opening your high-end. With its compact design and responsive controls, the DB 925 is the perfect gigging solution for musicians on the go. All FET design - Two bands of boost - Maximum amount of boost: 18db, occurring at 40 Hz for the bass, and 4kHz for the treble - Inputs: One 1/4″ jack - Outputs: One 1/4″ jack - Gig-saver bypass (signal passes even if your battery dies) - Power: Nine-volt DC - Heavy Duty steel construction - Warranty: Three year limited - Optional: 9 volt power supply.