Features: <br> <br>Used to convert high audio signal of the speaker to low frequency. <br>Improve sound quality and reduce signal weakness to get better sound effect. <br>Made of high quality plastic, wearable and durable. <br>Easy to install, just use after correct wiring. <br>Suitable for connecting the CD, radio, DVD, host, amplifier, of the original car. <br> <br>Wiring: <br>Gray wire ------ Connect the anode of the host right channel. <br>Gray and black wire ------ Connect the cathode of the host right channel. <br>Yellow wire ------ Connect the anode of the power wire. <br>Black wire ------ Connect the anode of the power wire (earth wire). <br>Brown wire ------ Connect the earth wire when there is noise, unconnect when there is no noise. <br>Blue wire ------ 12V power amplifier control output wire (connected to the power amplifier control wire interface). <br>White wire ------ Connect the anode of the host left channel. <br>Black and white wire ------ Connect the cathode of the host left channel. <br> <br>Specifications: <br>Condition: Brand New <br>Material: Plastic <br>Color: Black <br>Wire: 8pcs wires <br>Package Weight: Approx.45g/1.6oz <br> <br>Package List: <br>1 * High to Low Audio Converter <br> <br> <br>Note: <br>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.<br>1、Used to convert high audio signal of the speaker to low frequency. <br>2、Improve sound quality and reduce signal weakness to get better sound effect. <br>3、Made of high quality plastic, wearable and durable. <br>4、Easy to install, just use after correct wiring. <br>5、Suitable for connecting the CD, radio, DVD, host, amplifier, of the original car.