Universal RCA Bass Knob 

Allows for bass level adjustment closer to the driver for convenience

Perfect for balancing the system to change music styles

Connects between the amplifier and stereo via RCA's

Works with most head unit / amplifier combinations

Available in 6 different colors!

      Specs:

• 1.25" x 1.25" x 3"
• ABS Plastic Tube
• 30" ECO RCA Cable
• Over-Kill Stain Relief Gland