This car amplifier gain control device is designed to optimize the audio volume of connected equipment such as amplifiers and bass systems. Its robust construction with quality materials provides a sleek appearance and dependable operation. Ideal for enhancing sound control while driving, it connects easily via RCA ports, meeting the needs of users seeking convenient and refined audio adjustments. Features -Color:Multi -Material:Plastic -Size:25.00X4.00X3.00cm/9.82X1.57X1.18in -Gain Adjustment Convenience: Allows effortless control over the amplification level or volume of connected car audio devices, enabling smooth sound adjustable without distraction while driving -Easy RCA Compatibility: Features straightforward RCA input and output connectors that require no extra wiring, simplifying installation and integration with existing car stereo systems -Signal Quality: Constructed with premium chipset in a stylish metal housing, ensuring clear and stable audio transmission for an enhanced listening experience -Compact Design: Built with resilient materials in a streamlined form factor, providing sturdy performance without occupying excessive space inside the vehicle -Versatile Application: Suitable for various audio components like amplifiers, bass units, and speakers, providing flexible volume control tailored to diverse car audio setups Package list: 3 x Volume regulator