DiMarzio DP149 Ultra Jazz Bass Pickup Set Black Lows are deeper, highs are more percussive and the mid-range is round but not muddy The hum-canceling DiMarzio DP149 Ultra Jazz pickup for bass guitar takes a traditional Fender Jazz Bass sound and really opens it up Harmonic overtones jump off the strings It's also quick, with instant response to either fingers or pick-style playing There's only one word for this combination of qualities: musical