Line Output Converter for Car Audio 2 to 4 Channels with REM Function DC12V 1、IC Circuit: The car voice frequency converter uses an accurate IC circuit to maintain the original characteristics of the signal to a large extent, and avoid high distortion caused by signal conversion 2、Avoiding Noise: The car voice frequency converter has a unique power processing circuit introduced, the power supply is more stable and reliable, and noise is avoided 3、REM Function: This converter also has a unique potentiometer to control the output signal level of the front and rear channels and a voltage output (REM) function to control the power amplifier switch 4、Main Function: The car voice frequency converter can realize high frequency conversion to low voice frequency , 2 in and 4 out, mainly used for music data conversion 5、Working Voltage: The car voice frequency converter is made of aluminum alloy, which is wear resistant and durable. The working voltage is DC12V, and the power off current is 60A