The darkglass microtubes b3k v2 bass overdrive pedal is an update of the original but with more enhanced controls and the ability to restore the basss midrange for a punchy character'. '.strtoupper('w')hilst the b3k retains the originals pedal perfect combination of brutality and clarity it also offers the iconic sharp scooped and overdriven tone that many players have fallen in love with'. '.strtoupper('f')or this upgraded model the engineers at darkglass have replaced the attack switch with a tone knob offering control over a wider frequency range'. '.strtoupper('t')hey also switched the grunt 3 way toggle for a grunt switch and a mid boost switch providing a subtle boost to help cut through busy mixes'. '.strtoupper('t')he microtube b3k v2 overdrive is perfect for adding defined and powerful saturation to your tone in any situation.