Darkglass Microtubes B7K Ultra V2 Bass Preamp Pedal with Aux In

They say:

Preamp Pedal for Electric Bass Guitar, with Overdrive, 4-band EQ, Speaker Cabinet Emulation, Aux In, and DI Output

The upgraded Microtubes B7K Ultra features all the versatility and sonic possibilities of the first version plus: (1) Single user loadable cabinet simulation impulse response. (2) Micro-USB B port to connect to PC/Mac to load a different Virtual Cabinet through the Darkglass Suite. (3) 3.5mm headphone output with cabinet simulation. (4) Balanced XLR output with switchable cabinet simulation. 

Darkglass Suite

Utilizing the desktop version of the Darkglass Suite allows you to load one of the available impulses responses of our library or add you custom / third party impulses to use with your pedal. In addition you can control the headphones level output.