AGUILAR TLCCOMP Compressor Bass Effects PedalAguilar's proprietary Trans Linear Control (TLC) circuit achieves unprecedented levels of performance in a small bass effect package. The Aguilar TLC compressor pedal features a four knob layout to provide a full set of important features. Using a wide range of attack times and variable threshold and slope levels, you'll be able to dial in just the right sound. Features: Threshold control: variable from 30 to 10 dBu Slope control: variable from 2: 1