Remote volume controller for car audio Function: Control the volumes of your car amplifier and subwoofer remotely to shape the sound while you drive. This keeps you focused on the road and lets you tailor the listening experience on demand. Why you need it: Improves incar entertainment by giving you quick, precise adjustments without reaching for the head unit. Helps you balance bass and overall output to suit varied listening situations. Compatibility: Designed for car owners who value sound, and compatible with a range of car systems and subwoofers. Sound : Allows you to the sound output according to certain standards to achieve a more enjoyable listening experience. Onroad convenience: Easily adjust amplifier and subwoofer volumes with the remote controller and manage your systems while you are driving. Use scenario 1: On a highway trip with changing road noise, quickly boost the bass or reduce it to maintain clear dialogue and music balance. Use scenario 2: After upgrading to a subwoofer or amplifier, adjust to the preferred balance without needing to reach the head unit. Use scenario 3: During a daily commute, switch between music genres (for example, rock, pop, or classical) to maintain your preferred listening level and clarity.