Power Amplifier - one of the most important and significant components of the car audio system. Standard internal power amplifier, car stereo systems can give a low output power - only about 15-20 watts RMS * while the data marked on the front of the car radio, as a rule, are the values ??of the maximum output power level that is experiencing an unacceptable distortion of frequencies. Listening to music using an additional external amplifier, there is a reduction of distortions and, moreover, expands dynamic range, thereby increasing the realism and clarity of all instruments in a musical composition. Generally, acoustic perception of each person individually. Someone does not like loud noise, someone, by contrast, prefers to listen to music at high volume and serious bass. Clearly, in the latter case, the amplifier is a must. Although, if you approach the subject more strictly - a power amplifier in any case not be more than a car. Here, the fact is that every car (and only) audio system has a THD, calculated on a sound power. Above this level, this ratio increases, and nonlinear. This is manifested in the occurrence of serious distortion when listening at a capacity close to maximum performance audio system. In the presence of amplifier are you listening to music is not stretched to the limit, so it sounds better, but at the same time powerful enough. Of course, the sound quality largely depends also on the speakers and other equipment - it must also be taken into account. When you install sverhkachestvennoy speaker system in a car amp can not do. * RMS - Western Power Standard, Rated Maxmum Sinusoida - limiting sinusoidal power at which the steering column or can work for one hour with the actual music signal without physical damage to the
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