STARTIST High to Low Audio Converter Audio Impedance Converter for Car Modified Audio Car Amplifier Wiring Sturdy High to Low RCA Line.The High to Low Audio Converter measures 3cmx5.5cmx3.5cm, making it a compact and convenient addition to your car audio system.This converter is designed for use with hosts that do not have low frequencies (RCA) output such as cassette players, card machines, CD/VCD/DVD players etc., converting high frequencies speaker output into low frequencies (RCA) output.It serves as an input for car power amplifier or subwoofers, enhancing the overall sound quality of your vehicle's audio system.Made from premium material, this converter is built to withstand regular use while maintaining its performance and sturdy.Eliminate current noise of sound and enhance bass sound.Audio Amplifier Audio Converter for Car Subwoofer. High to Low Speaker Impedance Converter Amplifier. Audio Adapter for Speaker Output RCA Line. RCA Line Car Speaker High to Low Converter. Audio High to Low Impedance RCA Line Converter.