A loc take the audio signal from your oem stereos speaker wires high level signal and provides you with rca outputs low level signal which is required by most aftermarket car amplifiers. Hilow converters these adaptors allow you to install an aftermarket amplifier to your factory head unit.

Line Output Converters
High to low converter wiring diagram. Download line level converter wiring diagram free files. The rf hlc4 is a 4 channel high level to low level signal converter designed for factory or aftermarket radios that do not have dedicated low level rca outputs. Loc90 line output converter converts speaker wire high level to rca outputs low level for the purpose of adding a 2 channel or mono amplifier to an existing factory or aftermarket stereo system. The rf hlc is a 2 channel high level to low level signal converter designed for factory or aftermarket radios that do not have dedicated low level rca outputs. Details about speaker to rca converter high to low line level cable car cd radio amplifier pdf. These devices take the speaker level outputs from the head unit and reduce the signal to a level of which an aftermarket amplifier can use without overloading its inputs.
This allows you to add a 4 channel amplifier to your system. Nu9n transmitter essb ssb hi fi mid fi lo fi audio pdf. The adapter converts high level signal from the radios speaker line and transforms it into a safer low level audio signal. The adapter converts high level signal from the radios speaker line and transforms it into a safer low level audio signal. Download line level converter wiring diagram pdf. This allows you to add a 2 channel amplifier to your system.
Line level converter wiring diagram.