Your bass is about to get better. A lot better. The darkglass microtubes b7k ultra v2 aux bass preamp holds within it a universe of tones for you to play with. Featuring darkglasss microtubes dynamic saturation circuit it delivers a powerful authentic detailed sound which is super responsive to your chosen settings. Lo mids and high mids dials cover six different midrange frequencies meaning you can craft your bass tone with astounding accuracy. And theres the regular bass and treble dials for further sonic shaping. Its got it all. A dedicated distortion footswitch lets you add as much grit and dirt to your sound as you desire. And theres an impulse response function built into this powerful pedal letting you simulate a full authentic cab tone for rich sonic results. But theres plenty more to get your teeth into this pedal will change the game for any bassist.