Method of refitting car stereo: 1. The modification of car audio system is not as simple as changing a speaker directly. The equipment involved mainly includes sound source, power amplifier, speaker and wires, among which the sound source part is also called "head". From cassette era to CD/VCD/DVD era, in the new era, Yuntai has begun to use FLAC in more convenient ways such as USB, AUX, Bluetooth and streaming music.

2. However, the signal output by the sound source needs to be converted into beautiful sound through the power amplifier and speakers. If you switch to some high-power speakers, it looks good;

3, deposited in the hand, with the power amplifier module of the original nose, is a feeling of ants pulling elephants, and the effect naturally does not come out.

Million car purchase subsidy