Juggernaut (audio) -

: The +THD button pads the output by -10 dB, allowing you to drive the input harder for more harmonic saturation. The Boost function provides up to 25 dB of additional gain.

(available as the 500 series module or the Juggernaut Twin rack unit) is a Class A discrete preamp known for its extreme versatility, often called a "desert island preamp" . JUGGERNAUT (Audio)

This is a virtual instrument/sample library designed for and EDM. : The +THD button pads the output by

: Found on newer models like the Solo, this uses passive inductors to mellow high-mids and lift the low end. JUGGERNAUT (Audio)

: It features a continuously variable rotary control for input impedance (ranging from 300 to 10,000 ohms), which acts like a "tone control" for different microphones.