carfrill Car Stereo Hight to Low Converter，with Control Line Function Car Stereo  (Single Din)

The audio signal high/low converter is used to convert the high level audio voltage output from the speaker to a low level audio signal for other power amplifiers to use as input. Built-in Ting time switch line output and low frequency RCA output, so as to solve the retrofit amplifier or subwoofer, when the original car host does not have the problem of switching line and RCA output. Wiring: white to left speaker +; black white to left speaker -; grey to right speaker +; grey black to right speaker -; pure black to ground; red to 12V power supply; blue to control line REM The Line Output Converter is designed to be compact and durable, and can be easily installed in tight spaces while maintaining durability; a reliable upgrade for car audio enthusiasts. Used for the host without low frequency (RCA) output (eg: cassette player / card player / CD / VCD / DVD, etc.) will be the speaker output high-frequency conversion to low-frequency (RCA) output, used to connect the car power amplifier or subwoofer signal input 1.Product name: active high to low converter with delay. 2.Product size: 8.5cm*5cm*2.9cm. 3. Voltage 12V-24V; Power: 50W. 4.Product function: Used to convert the speaker output high level audio voltage to low level audio signal for other power amplifiers for input. 5.Car audio converter can ensure the highest audio performance, can minimise signal interference, and provide pure, powerful sound, will not produce noise, static or hum. 6. High to low connection: wiring tabs upward from left to right. Wiring: white to the left speaker + pole; black and white to the left speaker - pole; grey to the right speaker + pole; grey and black to the right speaker - pole; pure black ground; red to the 12V power supply (can be connected in parallel with the subwoofer's 12V power line);Blue to the control line REM (connected to the subwoofer's REM terminal). 7. Package quantity: 1x car audio speaker cable to RCA line output converter