The power amplifier controller is an essential tool for any car audio system. It allows you to fine-tune the sound levels of your subwoofer and amplifier, ensuring optimal performance. Made from plastic, this controller is built to last and withstand the of daily use. It's a great addition to any car audio setup. Features -Color:Black -Material:PVC -Size:400.00X3.00X3.00cm/157.20X1.18X1.18in -Tailored audio experience: adjust the subwoofer volume to your liking, creating a enjoyable music experience while driving -Remote : control the subwoofer volume remotely without leaving your seat, enhancing convenience and driving pleasure -Suitable for all conditions: ideal for both city and countryside driving, allowing you to enjoy great music wherever you are -User friendly interface: the simple ensures easy operation, giving you complete control over the subwoofer volume -Built to last: designed for durability, this controller is resistant to damage, ensuring longterm reliable use Package list: 2 amplifier regulators