Installation | Finely adjust the volume of an RCA line level signal you want to |
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Control | Connect the RCA from the output of this controller to the amplifier and connect the car radio output to the RCA input of this |
Device | Dashboard amplifier level control for volume control can adjust the amplification of the amplifier while |
Driving | Perfect for balancing the system to change music styles easy inputs and outputs no additional wiring required |
Nobsound Car Amplifier Audio Subwoofer Bass Control Knob Sub Gain Equalizer Regulator Frequency Controller RCA Line Level Adjust Review