Car audio conversion this knowledge is profound, worthy of our in-depth research study. Car stereo with one of the important part is the majority of car audio enthusiasts is the primary concern.

1, style and budget

I was very troublesome is that many riders in consultation with my car audio upgrade program, the first sentence is: "I want to change *** car car audio, I recommend a program to help it ...." With a responsible attitude to the riders in the car audio combinations, first there must be two questions to find out: one is your favorite style of music to listen to what the other is how much your budget is. Understand these two issues, a suitable basic car audio system can be finalized.

Car audio is very personalized, there is a right taste, like it or not liking a certain style of question, "turnip cabbage, all have love."

Some people like to catch on, big ho passionate style,

Some people love the gentle, Seiitsu open light of the hermit character,

Magnificent scene was like a symphony, percussion heavy metal, rock,

Was willing to side like a small water garden lattice classical music, you Yawan about the solo music, and thick sweet voice playback ... ...

Audio must be selected for their style, so riders do not understand the hobby before, I am afraid I can not give you any advice.
The modern world the popular style of Car Amplifier sound is divided into American, British sound, continental sound and so on.

U.S. car audio are "force-type", the intensity of the strong, dynamic large, free and easy bold, distinctive, bold, generous, especially for rock, jazz and heavy percussion. American-style car audio in China is widely favored by the younger generation. On behalf of brands such as Lai Fu ROCKFORD FOSGATE, K brand KICKER, MTX AUDIO and so on.

British sound with a typical European royal blood, sweet mellow tone, style side Zhuang Suya, China not brilliant, the best performance of the classical string and voice playback. Unfortunately, the performance of a large amount of dynamic low-frequency bursting scenes, and less sense in effect. Although the home Hi-Fi and even Hi-END sound field in the United Kingdom's position is very high, but in the areas of British domestic brand car audio and rare, only Genesis GENSIS, KEF, Man Qin MACROM, a few brands.

German car audio fully reflects the Germanic peoples meticulous, rigorous self-discipline of professionalism. Sound natural, neutral, peaceful, clean and fresh. Especially exquisite workmanship which became famous, it is amazing. Well suited for pop music, classical music, vocal playback fever. Representatives of the German sound of Man Bote old MB Quart, Rainbow RAINBOW, etc., in recent years, the rapid rise of the new army BRAX, HELIX fever in the car audio industry are also renowned.

France, Denmark, Italy, Sweden, Norway and other European Voice, the ubiquitous penetration of the French wit romantic atmosphere of the Italian Renaissance art, Nordic lively, cheerful and very fine traditional crafts: pure natural sound, the high-frequency slightly exaggerated, but very musical taste. And have very good compatibility, on behalf of the French brand fresh wave FOCAL, Dan Maidan take, Italy Depot Hill AUDISON, Sweden DLS, Israel Morel MOREL and so on.

As for the domestic car audio, due to a late start, most of them are from the family car audio manufacturers in this century to be launched car audio project, now widely recognized if not distinctive style, and therefore difficult to use what "sound" to describe. However, because of relatively low prices, very rapid development momentum, combined with the last two years many experts and scholars are the author of speculation, domestic garden speaker market share is constantly expanding.

Budget is also a very important issue. Car audio product quality very long very long, from a few hundred dollars to play a few thousand dollars, tens of thousands, several hundred thousand dollars or even millions of dollars have. Some riders say: "No matter the budget, you give me the best sound quality with a" set of values, etc. I handed him a list of thousands of sound, he said: "You is not want me to bankruptcy? I only the price of the car also ah. " The quality of sound is very suitable to apply  I think - there is no best, only better! "Good" and "bad" has always been a relative concept. Perhaps some riders for a pair of speakers, the sound quality improvements have been feeling great, while some riders spend a few million conversion of the host, equalizer, amplifier, speakers, bass, but still did not achieve the desired requirements. So my suggestion is: at this stage he can afford the economic sphere, a comprehensive selection of audio with a high cost. After hearing further improved, headphones more fever, and can be upgraded to more advanced equipment to meet their own needs.

2, bucket principle

The host (source), amplifier, speakers and other devices with each other, in addition to the style of the above-mentioned problems, that should also pay attention to personal balance - bucket principle.

A bucket composed of many pieces of wood, it can hold much water, it depends entirely on the shortest piece of wood. Or that the board has holes, then it's installed by the water depends on the hole under the most that a board. Sound system is like a barrel, the final out of the sound quality will be the worst pieces of equipment affected. Last month one of the riders that he installed in Xinjiang worth 10,000 yuan of sound, but the result was compared with the original car stereo almost no improvement. I asked him what the configuration, his answer surprised me is not small! Sources used in the car audio industry enjoyed a fever "machine king," said Clarion DRX9255, but the speaker, amplifier, bass, but all is the small factories producing low-grade equipment, these two sets of speakers after class, two amplifiers, a 12-inch subwoofer is not like a stage-level value of the host DRX9255! A reasonable mix, coupled with local debugging incorrect, out of the result is not surprising if the poor.

So my advice is to do with the equipment, try to take into account the overall balance, the host (audio), sound field before + after the sound field speaker, amplifier, bass, wire roughly the proportion of the budget: 20:30:25: 15:10. But this is not absolute, sometimes in order to leave more headroom, deliberately overstating a point equipment.

3, the host (source) of the selection method

Host is the sound source, but also a control center, the sound of the operation should be achieved by the host. Proposal from the quality, functionality, quality, reliability, price, appearance of the five important aspects to select the host.

Play car audio, I think the sound quality is definitely first. If you do not pursue sound quality, then the modification will not need a sound. In general, imported brands host technology is mature, sophisticated production technology, quality and better sound quality than domestic hosts, such as Alpine, Pioneer, Clarion and so on. Note, here called "import brand" does not necessarily mean the production of the country in trademark registration, many brands have been set up in our domestic production base.

Since the 1990s to the 21st century, the 10 years, must be the fastest growing electronic technology. Is a car audio electronic products, technological advances can be used to describe the leap. New products, new features with each passing day, after another. From a functional point of view, the current host is now on the market in addition to the basic radio, CD playback, and some added USB, Ipod, SD card, AUX-IN (auxiliary audio input) ... ... and many other functions, greatly expands the range of source selection. In general, the host of domestic functions, will host more than overall import brands, rich.

In general, pay more attention to domestic hosts beautiful, functional, relatively cheap, but quality and reliability as the quality of imported brands. The imported brands emphasize that the sound quality and quality stability, the development in the functional half a beat slower than domestic brands, the price is relatively higher than a length. It is recommended for high quality requirements of the riders, it is best to choose a host of imported brands, and re-fashion a variety of functions, do not pay attention to the quality of the riders, choose the host on the line of domestic brands.

In addition, car audio and video multimedia systems in recent years the rapid development of the automotive after market consumption hot spots.

4, speaker, power amplifier with

Speakers, the choice of the first amplifier in point 1 above, to pay attention to the style of talking about the problem. A stereo out of style eventually, 50% determined by the Speaker, 30% of the power amplifier determined, 15% from the previous level source (host or preamplifier) ??decided, 5% determined by the wire. In general, amplifier, speakers in the mix is ??best to use the same style, or out of the effect ranging from nondescript, while in damage to equipment. Riders who have asked me why I always burn his horn, I asked him what configuration? Always listen to what type of music? His answer surprised me is not small: the world's best style with the United States to push European-style welfare amplifier Israel Ouran fast speaker, like to listen to DJ music class. Listen to this mix with DJ, speakers do not damage the strange.

In addition, we are most concerned about than the speaker and amplifier (host) and power matching problem. Now the industry can be said in this regard is to say, today. Some say that the rated power amplifier must be greater than (equal) speakers rated power, in order to push moving speaker; some said power amplifier must be greater than the rated speaker power rating of 30% or more, some say 2 times above, so as to push the good speaker, or may burn large dynamic speaker; some said speaker amplifier power rating is less than the rated power still work very well ... ...

Leaving aside for the above argument, let's take a look at speakers, amplifier power rating of the physical meaning of it:

Of the amplifier, the rated continuous output power generally refers to the RMS (RMS) power.

Of the speaker, the speaker refers to the rated power known as the long-term value of the power to withstand this without damage.

From the above two points to analyze, not the amplifier's rated power must be greater than (equal to) the speaker's power rating only push action. Driven mainly by the difficulty of speaker sensitivity and impedance characteristics to decide. The same as driving a car, sports car driving 300 km per hour does not mean a car accident occurs, you can not open so fast. With a rated power output of the amplifier is less than the speaker, they do not blindly increase the volume, the amplifier control line within the scope of work (there are no clipping), is speaker of the accident will not be burned; the same as can be equipped with high-power amplifier low-power speakers, as long as the amplifier output power control range of the speaker can afford, the speaker does not overburden the same damage. Therefore, in order to protect equipment, the key is in the tuner must be set when adjusting the amplifier input sensitivity LEVEL (some identified as GAIN gain).

But if it is to discover the speaker, power amplifier performance of the best sound quality, I suggest the best is to choose the speaker amplifier power rating is slightly larger than the rated power. Power amplifier that makes full allowance, because when the music signal over a large dynamic high peak, it is easy to make power amplifier into the nonlinear region, the sound quality deterioration. Then use a more powerful amplifier is better? The answer is yes, but the same brand, same grade and the power amplifier is proportional to the price of basic. From the cost point of view, is not recommended to choose ultra-high-power amplifier.
Then a car, how much power the speakers choose more suitable for it? In my experience, entry-level sound system (8000 yuan or less), before and after the sound field with a rated power of 50W or more speakers, bass speakers with 150W more than enough, such a system could meet 80% of the sound of Shao.

It should be emphasized here, sign a lot of amplifier power transmission of the disease, the peak power and power ratings confuse and deceive consumers. Authentic RMS power, ie, the maximum distortion sine wave RMS power, referred to as RMS power. The power amplifier distortion that this station does not exceed the target value, long-term output so much power. Other identification (such as music peak power, maximum power) of power is really to be divided by 2 or divided by 10, 20 and RMS equal. Japanese domestic market, power amplifier and 100W power amplifier on top of each road often, and even 800W, 1000W amplifier abound, these are the mean peak power. This is why little seems to import power amplifier, such as 2 × 50W, 2 × 60W, work up a norm-like, and those known as 800W, 1000W amplifier is soft foot of the reason. It is recommended that you "stay away from" identity of these non-standard power amplifier, low-grade waste a lot less than the host audio amplifier.

Many riders have no power to ask my host? My answer is: no. Because the host by the supply voltage, device constraints, can not make a lot of power. The host generally marked as 50W * 4, in fact this is the peak power, rated power is only 18W * 4, although there are very few hosts have used a digital amplifier IC, peak power increased to 70W * 4, but the sound quality is hardly a compliment . Alpine more honest in this respect, the instructions are clearly marked on the rated power.