Boss LMB-3, Bass Limiter / Enhancer@+With the LMB-3, you can straighten the output levels of your pickups to get a consistent sound of your bass over the entire dynamic range. For the most accurate tuning, the LMB-3 has not only a Threshold control but also the newly developed RATIO parameter. This makes you much more flexible when you set the limiter. If you want more transparency, attack and brilliance, you can use the Enhance slider. This gives you a punchy, sharp, contoured sound, which is outstanding on the stage., Particularly flexible and versatile by Threshold and Ratio Control, Controls: Pedal switch, LEVEL knob, ENHANCE knob RATIO control, THRESHOLD control, Special Enhance control to reinforce transparency, Attack and brilliance of the bass sounds, Very robust construction, Connectors: Input, Output, AC adapter (9V DC), Battery and mains operation possible, Power consumption: 17 mA, Dimensions (WxDxH): 70x125x55 mm, Weight: 430 g