and adding an aggressive edge to passive pickups

Buy from www.musicianscart.com Dunlop MXR M281 Thump Bass Preamp Guitar Effects Pedal,Echoplex preamp that’s tailored to bass guitar,3-band EQ enables you to tweak 40Hz and 8kHz,Midrange is adjustable from 250Hz to 1kHz for maximum tonal flexibility,Great for punching up solos, boosting your live signal, and adding an aggressive edge to passive pickups