When connecting the line, the green wire is connected to the negative terminal of the left channel. The yellow wire connects to the left channel positive. The gray wire connects to the negative terminal of the right channel. The purple wire connects to the positive terminal of the right channel. The black wire is grounded.
This high-frequency to low-frequency output converter is used for hosts without low-frequency (RCA) output (cassette players, card machines, CD/VCD/DVD, etc.) to convert the speaker output high-frequency to low-frequency output.
This output converter adopts a transparent shell design, exquisite workmanship, insulation and heat resistance, has good waterproof performance, can be used in a humid environment, and is not easy to break.