Car Audio Converter Stereo High to Low Frequency Speaker Level Converter with Control Wire Features: aftermarket High to Low Audio Converter. Made of material, wearable and durable. Used to convert high level audio voltage output by horn into low level audio signal. Easy to install, just use after correct wiring. Professional manufacture, good performance and high reliability. Specification: Condition: Material: ABS Color: As Picture Shown Package Weight: Approx. 95g/3.4oz Wiring: White Wire: Connect the positive pole of left horn Black & White Wire: Connect the negative pole of left horn Gray Wire: Connect the positive pole of right horn Black & Gray Wire: Connect the negative pole of right horn Black Wire: Connect the ground wire Red Wire: Connect the 12V power supply Blue Wire: Control wire REM (Connect the REM binding post of subwoofer) Package List: 1 * Audio Converter Note: 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.