亚博提款要一倍流水the car amplifier is the audio power amplifier in the car audio and video system, and the power amplifier is referred to as the power amplifier. the function of the car amplifier is to select and preprocess the signal of the audio input, and perform power amplification, so that the electric signal has the ability to push the speaker. car amplifiers and amplifiers in ordinary home theaters are slightly different. since many car hosts integrate power amplification and play the preamplifier function, car amplifiers are sometimes called post-amplification, which means they can be connected. high level input. car power amplifiers need to use a variety of power to tube, fet and other power devices.