Splitting a car audio signal to two amplifiers is an easy process. The need to split audio among two amplifiers is common when adding a second amp to a system. As with any application involving RCA cables, using high-quality pieces to minimise signal loss is of paramount importance. In fact, once the amplifiers are in place and otherwise installed, the act of splitting the audio feed between the two of them couldn't be simpler.
- Skill level:
Things you need
- 2 single-female-to-dual-male RCA splitters
Access the amplifiers in the vehicle. Make note of the RCA input locations.
Connect the female end of one splitter to the male left channel of the RCA cable running to the amplifier location. Connect another splitter to the right channel in the same manner.
Connect the male ends on the left RCA to the left channel inputs on both amplifiers. Do likewise for the right channel.
Turn on the system and verify both amplifiers are receiving audio.
Tips and warnings
- Long RCA splitters are available to avoid having to use butt connectors and additional RCA cables.
- Many amplifiers have an "RCA out" to daisy-chain to another amplifier, designed to eliminate splitter use.
- Do not make any amplifier connections with the vehicle turned on.
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