Uploaded September 2023 | Updated September 2026, 1 hour ago

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When you install an aftermarket car audio system you may find yourself using a feature called DC offset to turn the audio system on. With this feature your gear doesn't need a remote turn on wire connection and instead detects when the factory system is on, thus telling the aftermarket gear to turn on. But this feature doesn't work on vehicles. How can you measure if it will work for yours? What other modes are there? Let's learn in detail!

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