Universal Bass Knob Controller for Car Amplifier with 4 PIN Cable, Audio Bass Remote Knob for Subwoofer with Power Light. (3.5m/11.48ft)

Universal Bass Knob Controller for Car Amplifier with 4 PIN Cable, Audio Bass Remote Knob for Subwoofer with Power Light. (3.5m/11.48ft)

• Perfect Bass Synchronization - Easily solves the problem of unsynced volume between your car stereo and subwoofer for a perfectly balanced sound.
• Easy Plug-and-Play Installation: Get set up in minutes with a simple, tool-free installation. Just connect the 4-pin crystal plug to your amplifier's remote port and mount the knob anywhere within reach. The long cable offers flexible placement.
• Premium Pure Copper Cable: Built with a pure copper core and double-layer PVC insulation, this cable ensures crystal clear signal transmission, superior resistance to interference, heat, and aging, for reliable, long-lasting performance.
• Durable Build & Wide Compatibility: Features a tough, protective jacket that resists wear, sunlight, and oxidation. An LED power indicator confirms the connection. Designed for most amplifiers with a 4-pin remote port, it's the universal solution for enhanced sound.
• Lifetime Quality Guarantee: We stand behind our products with a lifetime quality guarantee. If you encounter any compatibility issues or have needs, our responsive customer support team is ready to provide solutions or replacements.