DiMarzio Model J pickups reproduce the warmth and roundness of the traditional Fender® Jazz Bass® sound with increased power and hum-cancellation. The additional power translates into a bigger sound that emphasizes the resonant character of the instrument. The DiMarzio Model J pickup"s sensitivity and deep tone are also the perfect complement to fretless basses. Double-stop glissandos and delicate violin-style vibrato speak with a classic, woody voice simply by backing off slightly on the tone control.Authentic J Bass® tone Increased power Hum canceling 4 Conductors for series and parallel humbucking modes