Direct Drive with MOD PCB:
Includes 4 additional internal trimpots and 4 internal dip switches
The most versatile Direct Drive ever
Capable of achieving higher gain than a stock Direct Drive
Additional trim pots for Pre-Bass, Harmonics, Midrange, & Fizz Filter
Dip switches for Gain, Assymmetry 1, Assymetry 2, Fizz Filter Bypass