Universal Car Bass Control Knob – Precision Subwoofer Volume Adjustment • Accurate Bass Management Easily balance subwoofer output with your car's main speaker system. This controller solves the common issue of mismatched volume levels, allowing precise adjustment of low frequencies for cleaner, more controlled bass. • Easy PlugandPlay Installation Equipped with a 6pin plug compatible with most car amplifiers. Simply connect to the subwoofer interface for quick setup. The builtin LED power indicator shows realtime connection status. • Convenient Placement with Long Cable Includes a 13 ft extension cord, giving you flexibility to install the knob in your preferred location – near the driver's seat for immediate access or elsewhere within the cabin for shared control. • Durable, LongLasting Construction Made with a pure copper core for signal transmission and PVC insulation for strong protection. Designed to resist aging, sun damage, and wear, ensuring dependable performance over time. • Compatible with Most Car Audio Systems Works seamlessly with a wide range of car amplifiers, making it a versatile solution for upgrading audio control without replacing existing equipment. Practical Applications: 1. Daily commutes – finetune bass levels instantly to suit different music genres or spoken content. 2. Road trips – adjust subwoofer output for smooth listening without overpowering conversation or creating ear fatigue. 3. Car shows or events – quickly optimize bass response for maximum impact without altering primary amplifier settings. Specifications: Control type: Inline bass volume adjustment knob Plug type: 6pin standard for car amplifiers Cable length: 13 ft extension cord Materials: Pure copper core, PVC insulation Features: LED power indicator, antisunlight, antiaging, wearresistant design This bass control knob offers simple, precise, and reliable lowfrequency adjustment for anyone seeking better balance and flexibility in their car audio system.