DiMarzio DP719 D-Activator 7-String Neck Humbucker Pickup Black The tone and power of active pickups wider dynamics, better response, and without the battery hassle Active humbuckers have a distinctive sound: powerful, clean, open sounding, with excellent harmonic overtones and very tight lows This also fits the description of a great 7-string guitar pickup, if the problems associated with active pickups - sterile sound and limited headroom - could be eliminated The DiMarzio DP719 D Activator 7 does just that The neck model has both power and clarity - the low B string stays solid and doesn't sound like mud with extreme overdrive, and the high strings sing all the way up the neck