What is the REM wire in audio systems?

1 Answers
VonMelanie
07/30/25 1:14am
REM in audio systems refers to the speaker control wire, which is connected to the position where the car ignition key is turned on. Here are the details about REM: Installation in cars: Connect REM to the car key, 12V directly to the positive terminal of the battery, and GND to the negative terminal of the battery. Alternatively, GND can be connected directly to the car's chassis. This way, the audio system will automatically turn on when the car starts and turn off when the engine is shut down. Installation at home: A 12V-5A transformer is required. "REM 12V to +GND" is a terminal marking specific to car audio systems. REM is primarily used to control the startup and shutdown of the audio system and is generally a wire connected from the audio host.
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