LCV Universal Bass Knob Level Controller with Built-in Digital Voltmeter, Blue LED Display, Remote Gain Control, On/Off Switch, Prevent Damage to Your Audio Equipment

There is nothing worse in car audio world than the magic blue smoke caused by voltage drop. That’s why it is really critical & necessary to monitor your car audio amplifier voltage to prevent damage to all your car audio equipment. Installing a separate voltmeter, separate power switch and a separate bass knob can prevent all of those which can be a great hassle. Combining all those three issues, Recoil represents the solution with our universal bass knob with a digital voltmeter. This unit offers remote gain control, a rotary push-able on-off switch, and a digital voltmeter display.