["Features:\r\nPremium line output converter .\r\nConverts car speaker wires to pre-amp output\r\nHigh quality, durable construction\r\nGold-plated RCA tips for reliable signal transfer\r\nWiring diagram sticker included on bottom of unit\r\nThese are a major for time saver when installing an amplifier to a source like aftermarket without RCA Jacks on it.\r\nYou will not need to run a turn on wire from the front to that back of the car!\r\nYou run the power wire and ground to your amp like normal and then connect this to the power and turn on of your amplifier! Diagram Included on unit\r\n\r\nHow to work:\r\nThe unit has a built in relay, when your stock stereo sends sound to the speakers, this device converts the speaker signal to RCA jacks for your amplifer and at the same for time, it feeds 12 volts to your turn on of your amplifier that it takes from the power side of the amp\r\n\r\nQuantity: 1 Pc\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage Contents:  \r\n1 x RCA Line Converter"]