If your audio system uses a LOC Please do not make the mistake of replacing your amplifier, wiring, or stereos before you check out our top 5 common symptoms of a failing Line Output Converter. Understanding this list could save you a crap ton of money and time.

No sound from the speakers
If you’re not hearing any sound from your speakers, it’s possible that the LOC has failed or is not properly connected. Check the wiring connections and make sure they are secure. If the connections are good, the LOC may need to be replaced.
Poor sound quality
If the sound from your speakers is distorted, muffled, or lacks clarity, it’s possible that the LOC is not functioning properly. Check the wiring connections to ensure they are secure and that the cables are not damaged. If the connections are good, try adjusting the gain on the LOC to improve the sound quality.
Loud popping or hissing sounds
If you hear loud popping or hissing sounds when you turn on your car audio system, it’s possible that the LOC is not functioning properly. Check the wiring connections to ensure they are secure and that the cables are not damaged. If the connections are good, the LOC may need to be replaced.
Inconsistent sound levels
If the sound levels from your speakers are inconsistent or vary greatly from one speaker to another, it’s possible that the LOC is not properly calibrated. Check the gain settings on the LOC and adjust them as needed to balance the sound levels.
Ground loop noise
If you hear a humming or buzzing sound from your speakers, it’s possible that there is a ground loop issue. This can be caused by a faulty or improperly installed LOC. To fix this issue, try installing a ground loop isolator or replacing the LOC with a better-quality unit.
If you’re experiencing any of these symptoms with your LOC, it’s important to diagnose the issue and take steps to fix it as soon as possible. This will help to ensure that you’re getting the best sound quality from your car audio system
PAC SNI-35 Variable LOC Line Out Converter | AudioControl LC2i 2 Channel Line Out Converter with AccuBASS |
---|---|
![]() | ![]() |
The SNI-35 is a specific type of line output converter that is recommended for this purpose. By utilizing an audio transformer, the SNI-35 can provide noise isolation to ensure a cleaner signal for the amplifier. The SNI-35 also includes phase adjustment capabilities to help align the signals from the factory radio and the amplifier for optimal performance. | Active speaker level inputs available on two channels Able to accept signals of up to 400 watts per channel Fixed and variable outputs with discrete level controls included AccuBASS processing enables correction of bass roll-off GTO signal sensing feature included Compact design with an input for optional remote level control |
Best cost effective Line Output Converter (LOC) | Best Line Output Converter (LOC) |