** All HFV Bass knobs now come with upgraded 30" RCA cables with protective sheathing like in last picture**

NEW HiFi Vector RCA level control for car audio amplifier.

Customize your Bass knob with our options for color , LED color and knob dial type!

Transparent Bass knob with VOLTMETER and LED.

THE LED and VOLTMETER can be turned off with a switch on the back so if you are driving at night and do not want any light you can turn them off with the flip of a switch!

High quality components are used to insure the knob will be smooth and accurate for many years to come.

• High quality potentiometer is used to provide a smooth long lasting bass knob

• Fits in your hand perfectly and knob is easy to adjust one handed with you finger or thumb

• 34" overall length ( including RCA cables )

• Input and output RCA's clearly labeled

• 2 channels in and 2 channels out

• 12v wires for LED power you can hook up as you wish with pigtail connector so you can remove knob rom vehicle if needed without cutting 12v wires.

• Built in switch to turn off LED light and voltmeter

• You choose what LED color you want

• Choose either Green, BLUE  or RED Voltmeter color

• Choose your knob dial type

• Dimension OF KNOB (not including cables) approx 1 3/4" x 1 3/4" X 3.75"

• Best of all these are made right here in the USA by me HiFi Vector! The sales of my items help me buy products to review for my YouTube channel. Love you Guys and thanks so much for your support!