In our previous posts, we have covered what a premium amplified sound system is and what kind of harness is required for aftermarket radio installation. Now we want to go in a bit more depth about RCAs and the potential necessity for a Line Output Convertor (LOC).
With a wire harness that includes RCA connectors, it is obviously necessary to plug those connectors in somewhere. In a perfect scenario, your aftermarket radio not only includes RCA outputs, but includes the exact number of outputs that you need for the installation. You simply plug your wire harness connector into the vehicle’s harness behind the factory radio and then plug the RCAs into the aftermarket radio RCA outputs and you’re all set. But what happens when the aftermarket radio has only 2 outputs and you have 4 RCAs or when the radio has 0 outputs, but you have 2 or 4 RCAs? Cue the need for a LOC… A LOC is a small device that converts RCA connectors (low level) to regular speaker wire (high level), so that an installation can be completed with an aftermarket radio that does not have RCA outputs or has less than needed. Basically, the LOC is acting as a bridge from the wire harness with RCAs to the aftermarket radio without RCA outputs. Now, there are 2 options for LOCs; 2-channel and 4-channel. What does this mean, you ask? Easy! A 2-channel LOC allows for plugging in 2 RCA connectors while a 4-channel LOC allows for plugging in 4 RCA connectors. So, let’s do a little math for example: Wire harness includes: 4 RCAs Aftermarket radio includes: 2 RCA outputs You need: (1) 2-Channel LOC Makes sense yet? Let’s do one more: Wire harness includes 4 RCAs Aftermarket radio includes: 0 RCA outputs You need: (2) 2-Channel LOCs or (1) 4-Channel LOC See…it’s not too difficult to understand. Now you know what to do in the case that your aftermarket radio is lacking in RCA outputs, but you have a wire harness with RCA connectors.
5 Comments
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