Introducing the MAGMA Driver! The MAGMA Driver is the business end of the MAGMA 1.0 Bass Preamp stuffed into a effects pedal box! 
The rear panel of the MAGMA Driver features an Input, A Output, B Output and Blend. The front end of the unit is exactly the same as the MAGMA 1.0 Bass Preamp rackmount unit. 
The unit includes a dual +15/-15vdc power supply packed in a sturdy aluminum chassis.
For sound samples of the unit check out the MAGMA 1.0 Bass Preamp!