Features RCA output, this high to low impedance converter is used for the impedance convert of the added audio amplifier when the car audio has not RCA output. Used for hosts without low frequency (RCA) output (for example: cassette player/card player/CD/VCD/DVD, etc) to convert the high frequency of the speaker output to low frequency (RCA) output, which is used to connect the car power amplifier or subwoofer signal enter.
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