Tested using a looped bass recording from a Boss RC30 Loopstation into a Markbass LM3 amp and 12” Markbass cab. Behringer Limiter Enhancer BLE-400 - c £29 posted   Build, plastic housing which is expected with a budget pedal. With all the other dials set at zero, I found that “unity” in terms of volume between by-pass and engaged had level at 4/10 and kept this level for the rest of the testing. The BLE400 has a reputation for being a noisy pedal. I’m not sure that