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RCA Bass Knob for Car Amplifier Volume Control Knob Universal Car Audio Gain Regulator Remote Controller Adjust Knob for Subwoofer Equalizer Crossover

Product Description

Car Bass Volume Control Knob utilizes one dual-channel RCA input and one dual-channel RCA output for easy operation and connection, simply connect the RCA input and output jacks between the source device and the amplifier.
Two types of adjustments are available: 1. by gain adjustment and 2. by frequency adjustment. Simply rotate the controller buttons gently.
Compatible with most car audio/amplifier combinations, universal for use in most cars, easy to connect, no additional wiring required, hard-wearing and rugged to ensure practicality.
Adjust the amplifier's power level, stereo, equalizer or crossover volume from the dashboard or other remote location.
Simply rotate the bass knob to control and adjust the bass gain or frequency, different frequencies can make the songs sound different, it feels quite nice and convenient.