Describe:
1.It is used for the host without low frequency (RCA) output (such as: cassette player/card player/CD/VCD/DVD, etc.) to convert the high frequency output of the speaker to low frequency (RCA) output to the car power amplifier or subwoofer.
2.Convert high frequency output to low frequency output, true channel separation. Input sensitivity is adjustable.
Package content:1pc (As picture show)