Smileocean Universal Bass Knob for Car Amplifier 4-Pin Remote Subwoofer Volume Control with 13FT Extension Cable, Durable Copper Core, Easy Install, Compatible with Most Car Audio Systems

Features

• Effortless Bass Control：Adjust your subwoofer volume directly from the driver's seat with a 13FT extension cable, ensuring a seamless and enhanced audio experience.
• Universal Compatibility：Designed for 4-pin amplifiers, this bass knob syncs perfectly with most car audio systems, solving volume sync issues between the main control board and subwoofer.
• Durable & High-Quality Build：Features a pure copper core cable and double-layer insulated PVC protection for anti-aging, sun resistance, and long-lasting performance.
• Quick & Easy Installation：Simply plug the crystal connector into your subwoofer's sound interface and the other end into the bass knob. Install in the driver's free space for convenient access.
• Eco-Friendly Packaging & Service：Packed in environmentally friendly materials to reduce waste. If you have any questions about 4-pin universal bass knob, please contact us in time, we will be happy to solve you.