Stetsom Universal Bass Knob Control Voltmeter RCA Input Blue LED Display GAINCTL

Stetsom 4 in 1 Universal Bass Knob Gain Control Voltmeter with RCA Input Blue LED Display (GAINCTL) Control your car audio system effortlessly with the Stetsom 4 in 1 Universal Bass Knob Gain Control. This versatile device combines essential features into one compact unit.  It has a bass knob gain control to adjust the bass levels easily and precisely.  This also features a built-in voltmeter to monitor your cars voltage levels accurately.  Conveniently control your amplifier power with a simple click.  Convert high-level signals to RCA inputs for compatibility with car audio systems. Key Features: • 4-in-1 Functionality: Bass Knob Gain Control, Voltmeter, Amplifier On/Off Switch, and High to RCA input converter.• Convenient Design: Control your audio system right at your fingertips with intuitive controls.• Compatibility: Ideal for factory car audio systems without RCA connections, enhancing compatibility and performance. Specifications: • Voltage Monitoring: Built-in voltmeter for pr