The key of car speaker is composed of audio, speaker, power amplifier, EQCPU and cable. Before changing, you must pay attention to the matching of these devices and master the basic knowledge of car speakers.
First of all, the basic criteria of pairing
1, and the output power of the power amplifier must exceed 1.5 times of the output power of the loudspeaker.
2. It must be spread all over the loudspeaker effectively.
3. The switching power supply current must exceed the total output power current, preferably twice.
Second, the equipment installation
1, in order to better avoid vibration looseness, it is necessary to install the instrument tightly.
2, analog signal line to avoid switching power supply fuse box.
3. In order to prevent noise better, the fuse box must be as long as the power plug of the power amplifier.
4. The overall thermal conductivity must be considered in the installation process.
5. After the installation, all the speakers should be well maintained.
6. After installation, all positive sockets of switching power supply should be well maintained.
7. After all terminals are connected with special connectors, they must be welded again.
If you have the strength to carry out audio modification, you must not blindly follow the actual operation. You can learn and train the professional knowledge of car audio modification first, and then actually operate it, or go to the technical 4S shop for audio modification.
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