Features: Stable Universal for various car models. Converts car-stereo speaker outputs to RCA outputs. Convert high frequency output to low frequency output, true channel separation. Input sensitivity is adjustable. Used for hosts without low frequency (RCA) output (like cassette player/card player /VCD/DVD, etc.) to convert horn high frequency output to low frequency (RCA) output to car power amplifiers or subwoofers.
note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.