The use of amplifiers in the car audio systems is to aims to strengthen the voice signal coming from the main source or head unit and then be piped to the speakers.

Amplifier receives a signal from the sound source and manage it so that the voice signal has more power and strength so that the speaker is able to cast a vote for getting the maximum intake of energy needed in the issue of sound waves.

For the use of car audio systems, generally known by the type of multi-channel and mono block. Multi-channel amplifier is generally used to strengthen the output audio sound signal in the form of electrical current to the speakers (tweeter, middle range, Middle bass speakers or Coaxial)

Type mono block used specifically to strengthen the signal that will be poured into a subwoofer that really need a big power (audio sound).

There are several types of amplifiers (audio sound), which is a type class  A, B, AB, D, Hybrid, Tube and each type has its own character, the power output is different, namely:

Class A: Having the best quality to produce better sound quality, but very wasteful of energy and heat faster. prices for this type are generally very expensive depending on its brand.

Class B: Did not generate excessive heat and not wasteful of energy, but can produce a pretty good sounds.

Class AB: It is the most widely used by car audio player, an amplifier combination of class A and B, so it can be more efficient and flexible for use in the car audio system and have a better quality of class B.

Class D: This species is the most widely used to drive a subwoofer and used to the concept of SPL (Sound Pressure Level), because the class D amplifier has the power (Watt) are large and able to bear up under 1 ohm, so it can produce a more dynamic bass sound and usually it is the type of class D mono block amplifier.

Class D: This species is the most widely used to drive a subwoofer and used to the concept of SPL (Sound Pressure Level), because the class D amplifier has the large power range (Watt) and able to bear up under 1 ohm, so it can produce a more dynamic bass sound.

Hybrid: In this type, the electronic components of a hybrid amplifier using transistors and tubes. Combinations of these compounds makes this type of amplifier capable to produce thick character sound quality, with good tonal accuracy like a full tube amp, but still be owned by an affordable price.

Tube: This type of amplifier can produce better sound quality with the character of a vowel sound more natural, not thick and stiff / dry, but the type of tube amplifiers, generally have a very high price for belonging,

With the big difference in quality, character and components of each type of amplifier, proving that quality amplifier can also determine the character and quality of sound produced in a car audio system.

Before buying the amplifier follows a few tips on selecting amplifiers (audio cars):

  1. Select amplifier with large RMS (watts) and small THD.
  2. Design and materials quality and equipment also must be considered.
  3. Adjust power / RMS amplifier with the speaker needs to be used.
  4. Power amplifier shall conform to or greater than required speakers, because if the power is smaller than the needs of the speakers, it can cause damage to the speakers used, because of the ‘signal clipping’.
  5. Select the brand of amplifier that has a formal guarantee from the brand holders
  6. Find informations from various media or ask a trusted installers car audio amplifier before buying.

Lastly, don’t let an amplifier (audio car) is not used in the long terms, because it can cause damage electronic components.

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