Tag Archives: 6×9 Speakers

The basis of car audio wiring and wiring choose

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Produce many adverse effects of car audio listening environment listening effect, therefore,

put forward higher requirements for the installation of wiring of the car audio system.
(1) the smaller the car audio wire resistance, the less power consumption on the wire, the

higher the efficiency of the system. Even if the wire is very thick, due to the speaker

itself, the reason will lose some power, without making the whole system efficiency of 100%.
(2) the smaller the resistance of the wire, the greater the damping coefficient; damping the

greater, the greater the redundancy vibration of the speaker.
(3) the greater the cross-sectional area of ​​the wire (thicker), the smaller the resistance,

the greater the tolerance of the current value of the line, the greater the output power is

allowed.
(4) the power of insurance choice. The main power line fuse box the closer the better the

car battery, the insurance value of size according to the following formula to determine:
Insurance value = (system average total rated power and × 2) / vehicle power supply voltage

amplifier

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How to buy audio

Web Design And Seo For www.china-webdesign.com
6×9 speakers – China Manufacturer
Thank you for inquiry my 6×9 speakers, Tel: +86.573.8468.1673, E-mail: futuresound@mailzj.cn
http://www.chinafuturesound.com/key-6×9-speakers-2/

The audio equipment on the market up to hundreds of prices from one or two thousand dollars

to several million, even more than ten million dollars. Experts have warned that most owners

do not have subwoofer amplifier armed to the first principle to make the best use is to

choose the car stereo. May consider other factors as price, brand, dealers in order to

choose a satisfactory product in an array of car audio.

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Car audio modifications grounding problem

Web Design And Seo For www.china-webdesign.com
6×9 speakers – China Manufacturer
Thank you for inquiry my 6×9 speakers, Tel: +86.573.8468.1673, E-mail: futuresound@mailzj.cn
http://www.chinafuturesound.com/key-6×9-speakers-2/

Grounding is an extremely important issue in car audio conversion

With power (signal), which is a pair of inseparable twins. Ground is usually connected to the conductor and the earth. Electronic technology to may and the earth are not related, it is only in the circuit, first-class potential surface. Such as radios, television sets in the ground, it is just a receiver circuit, a potential reference point. Ground, electronic technology, both simple and complex, but also essential. The role of the ground, can be divided into a working grounded to protective earth, overvoltage protection, grounding, anti-static grounding, shielding ground and signal ground variety. In radio and television technology for more than several ground types will be encountered. On an elaborate combination of practical technical problems for some ground.
A. Protective grounding
Protective earthing protection device is set to prevent the power supply polarity is reversed, resulting in equipment damage, and the simplest way is to right and reverse diode in the power supply input is particularly common in car audio equipment circuit.

Two. Overvoltage protection ground
This is set for high-voltage ground fault protection device. Anti-point spark device is the most widely used pressure-sensitive diode and is a bubble. Absorption through the ground and limiting. Many high-voltage, such as high-frequency head damage, fleeing and Jihuai receiver due. Of speaker package divider tweeter protection, generally taking the pressure-sensitive diode and is a bubble these two methods, the best tweeter protection or is a bubble, he will be the extra power and peak pressure absorption and thus play a protective role. The shortcomings of the varistor is to absorb momentary short circuit, the treble will be instantly interrupted.

Equipment power input has a voltage regulator circuit, but also with overvoltage protection circuit and overcurrent protection circuit and temperature protection circuit.

Three. Shield
Of shielded metal skin of the video and audio lines, electronic equipment, metal casing, shield, buildings metal shielding to prevent electromagnetic induction (such as the measured sensitivity, selectivity, and other indicators of the shielded room), a grounded protective measures . In all the ground, shielding the most complex kind of difficult to explain, said an unknown feeling. The shield itself can prevent outside interference, they may interfere with its outside, beware of electromagnetic interference between the various components within the device, such as well-known in the weeks shell, tube shield are examples. The signal line shield grounding is very important.

Shield poor Improper grounding may cause interference, these disturbances are mainly:
AC interference, which is mainly caused by AC power. AC interference protection, usually filtering the power supply or increase in the signal line shielding and grounding. Stray electromagnetic field, the anti-electromagnetic interference shield grounding is necessary. For example, the generator will produce electromagnetic interference, will be transmitted through wires internal to the device, filtering and shielding ground to solve this problem.
(2) high-frequency interference. Such interference from the various types of wireless transmitting station frequency or ultra frequency conversion signal, fleeing into the electronic equipment in the machine of abnormal demodulation of audio interference. Such as spark plugs, ignition, relay contacts sparks.
The higher the frequency, will produce the skin effect of the trunk, the metal mesh of holes should be smaller, the signal line shield weaving should be more dense, otherwise it will lose the shielding effect. Frequently plug the signal line, to prevent the shield plug at loosening. Sometimes the equipment shielded by the shielding of the signal line into the earth (they are connected together through the plug and socket), if the shield off, it is very likely to cause interference. Such as signal line placement and interference related, sometimes hand to touch the signal line shield interference no interference of the high-frequency signals form a distributed capacitance coupling.
Four. Signal to
A variety of electronic circuits, there is a reference potential point, the reference potential point is the signal ground. Its role is to ensure a uniform reference potential circuit warrant fluctuations cause signal errors.
The signal ground connection is: the same device to the signal input and signal output to not be linked, but should be separated; former level (device) output was only after class (equipment) input is connected. Otherwise, the signal may be formed through the ground feedback, caused by fluctuations in the signal. In the test equipment signal ground connection, especially to attract attention. For example, the signal line skin break Ground noise. The original belongs to the induced signal through the back so that the results are inconsistent. Some amplifier enclosure can not be connected directly to ground, to the point of all this ground set to not ground noise phenomenon.

V. Special ground of the car audio

Many vehicles install the amplifier in a large volume bass is played (no more than normal consumption of electricity), the instrument lights flash with the music, this is because only the amplifier\\ s positive line bold and ignore the negative line, the circuit formed from positive to the negative is to have a circuit, the cathode and then coarse-negative fine is unable to increase the current, as uneven water flow of the water pipe thickness can only be a thin flow. So you want to increase the negative amount of current, and specific practices: 1 engine to the battery negative one (engine and body insulation). 2, the engine to the body 21 (to increase the generating capacity). Line thickness of at least the positive line.

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How to choose the best rectangular box length width height

The day before yesterday I was asked – after VB know how to choose the best rectangular box length, width, high?

In car audio conversion in double bass in the trunk after modification or audition with the majority of the rectangular box more and more widespread use of audio enthusiasts, we know whether it is open or closed container boxes designed to get VB (box volume) After the selection box dimensions (length, width, height) usually use design software is all one way. Software design of the box there will be minimal strong normal-frequency, but not necessarily beautiful and decent appearance. And unconditional, or the majority of audio speaker manufacturers design modification enthusiasts, and not the technology described in the article refer to the so-called “golden section” Design of the box more practical, affordable … ….

But through the car stereo conversion constant practice, it has long found a “golden” ratio or “Golden” split rate to determine the proportion or ratio box with the ideal ratio of 0.618 for size, integer size in the application of the case, for example, 6 unit length (depth), 10 units of width and height of 16 units, the depth and width ratio of 6:10 = 0.6, while the width and height ratio is 10:16 = 0.625 These final size and aspect ratio the ideal value of 0.618 is quite close, because the ratio of the approximate size can not be selected to enhance the sharp resonance of the public inside the normal-frequency, so this ratio is, the speaker box to confirm that the manufacturer can produce the best sound quality Speaker size ratio … …. there is a better explanation we continued to talk about!

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from the kit into the dark horse On the development of industries and enterprises

Development of the industry actually can clearly see from the development of enterprises, took some time before Jay as a “dark

horse” would appear in our view, the first half of the kit to complete the sales of 120 million, completed the first half of last year

annual sales, including single month in March sales of more than thirty thousand units, will consequently be a “dark horse” called
car subwoofer
Jie into as a 15-year-old company should not have a “dark horse” posture, a good helper has been sales leader, he was a dark

horse to talk about it? I guess not! Jie into the development is not smooth, so good last year, the environment, the kit into sales but

did not significantly increase, but a little behind this year, the overall market is not particularly good, there is a big breakthrough, is this
car mid range
why ? For all manufacturers should have a kind of thinking? How should sum up experience and lessons?

Before the quality of the old saying, ah, ah R & D, selling ah, these people are fully understood, because each manufacturer to

emphasize this, why they have not been able rapid development? In many cases, some of the so-called blind everyone s eyes, the

truth, the truth became the boss of lying lips, especially if the other hand, the industries and enterprises, how do we in this fierce
pro audio
competition it?

Publicity lack of funds, lack of R & D personnel, the lack of quality assurance, product highlights the lack of enterprise

development stagnation, the company s strategy in question, or marketing powerless, why do manufacturers always so at ease, and

most manufacturers really difficult for it? Why some companies for a professional manager, it is completely the same? What is the

operation of the entire company onto a new level, the other hand, our own, whether we are poor in any place? Improve our own

point, breaking point, where?

The overall operation of the smooth, R & D, production, technical testing, distribution, marketing, sale and other integration

operations, interlocking, manufacturers of brand strategy and positioning, dealer promotion, strategy and intensity, this community will

never belong to those thoughtful and strategic people, before we will say, do most of the automotive industry is no culture of the soil

owner, may post as eight thousand and ninety debut, becoming the main force of the new generation, an unprecedented war of

intelligence the future will be filled with various industries, automotive after-market is all about.

Change the pass, the same will die, whether manufacturers, wholesalers or retailers, have to actively search for the next round

way, looking for new growth points, and to build their own unique product line, the development of their own conditions the road

ahead, seek truth from facts, to point to drive the overall development, how to break through, you want good?

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Classification and role of the speaker magnet

Magnet is to provide energy product the size of the foundation. Now the popular car audio market with the ferrite magnets and

magnet generally NdFeB magnet:

Ferrite magnet: is the most common magnet, which is formed by the sintering of iron oxide; As a result of the purity of the different

magnetic field strength of different sizes, due to the strength of a magnetic Y20 to Y35 of the hierarchy, the general The table is

based on the magnetic strength of magnet to distinguish, Y20 level of the lowest, Y35 highest. The disadvantage is that a larger

body, fragile, and low coercivity is relatively easy to demagnetization.

NdFeB magnet: iron is added in the rare element neodymium, boron and other elements made of cast high coercivity of the magnet,

because of its high coercivity, resulting in easy magnetization or demagnetization, requires special charge magnetic machine to

magnetization. It has small size, the characteristics of high magnetic field strength, but influenced by temperature because of its

relatively large, in general, to over 75 ℃, the magnetic field strength with increasing temperature, decreased significantly. Now the

market has started to heat NdFeB magnets is high temperature and magnetic field strength for the decline in R & D out of the

product.

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transparent delicate and full of elasticity DB S6A-6C speaker evaluation set

The field of car audio SQ and SPL have been the difference between two styles, after years of car culture influenced not only the

two styles did not really integrated, but tend to split, each owner had modified the car stereo was no exception after labeled for SQ

or is listening to SPL, the general budget of the system is not high in order to fight the perfect balance between SQ and SPL, the

effect most of them are neither fish nor fowl, of course, cost a lot to build the temple level modified car is no longer in this column,

for the ordinary car owners, SQ and SPL really become the owner of a dilemma a tangle?
SQ or SPL, the dilemma does not have to tangle

Create the root of this dilemma is sound brand style differences, we often have so-called American style, European style and Japanese

style of the points, because Japanese has always been focusing on functionality and circuit integration, style preference is not obvious,

but the U.S. Department of the brand in Europe different-brand differences in style, creating the field of car audio SQ and SPL of the

other.

European audio brand focus naturally restore the sound, sound equipment, pure and strong performance, analytical ability, sound fine,

rich colors, giving intimacy, like Tanner, fresh waves of these brands has been sought after by the majority of car audio enthusiasts, so

, European brand topped the SQ mark. The American brand is focusing on power reserves, transient response replay feature is a

good, strong pace that is suitable for playback of music, its power, dynamic, acoustic-electric conversion rate, and ability to follow

sound state, transient Well, like these old JBL is its behalf, the United States have been labeled as SPL brand mark.

Many owners have been in the pursuit of their perfect sound system to restore the sound quality both have dynamic effects of shock,

but the limit between the brand style, their own into a dilemma. In fact, a system should take into account the SQ and SPL is not

difficult, although many brands of equipment is only good at one aspect, but as long as they listen carefully to identify, can be difficult

to find a good balance between the two devices, such as the new U.S. DB out of S6A-6C 6.5-inch component speaker, is a reduction

that is good quality but also a burst of vigorous dynamic speaker.
Strive to sound transparent and delicate

U.S. audio brand of equipment in large and dynamic performance control with extraordinary performance on both the U.S. DB is no

exception. DB s subwoofer is either K1 or the K5 series family, the owners of certain of its majestic listening to the dynamic memories,

DB S-Series component speaker in the performance of this style is also very prominent bass sound unit strong and powerful, transient

reflecting excellent sound with flexibility and tension, is very suitable for listening to rock music, jazz class equipment.

The audition S6A-6C 6.5-inch package that is a new S series, this speaker according to the official introduction is in order to balance

quality and the development of dynamic and specifically, to my usual habit of listening to music, the sound is too arguing stand, bass is

too strong a stand, especially the kind of people to climb in your ears and singing, roaring sound of the bass in the chest exploding

effect, could not hold it five minutes running for the door, personal feeling fine, transparent, natural sound to make people listen to

the desire.

And S5-6C package, the new release of S6A-6C tweeter change is relatively large, S5 treble using aluminum dome tweeter, treble

bright and resilient performance, the performance of jazz rock music in a very prominent; and S6A-6C is used silk dome tweeter, the

pursuit of natural facial effects, classical music and people trying to sound a breakthrough performance, such a high-pitched soft and

hard material change evident S6A- 6C a breakthrough in performance style.

S6A-6C woofer cone and S5 series, or the use of the natural, delicate cone, spray coating TSD moisture, natural sound, the sound

output is very average, to restore the true, with the new silk dome tweeter, the entire package restore the sound more consistent

style. Set of speakers to create a sound field becomes very transparent in the audition room to listen, the sound field is very open,

transparent, natural sound, people will not have nests in a small house the feeling of listening to music, listening for a long time does

not make ears feel tired. Sounds like the beginning of the ear, the European system of transparent horn, delicate sense of hearing

immediately have a natural, carefully taste, DB unique American brand that sense of speed and control is still sound very Naiting.
Excellent acoustic performance

For any speaker, the materials and data is a basic, practical sense of hearing is the decision of whether the consumer can receive the

deciding factor. Although DB S6A-6C features have a certain understanding, but in the actual test or amazing listening experience.

Test equipment is put to use Japanese Alpine 9887 CD, one Taiwan and USA DB A7 four-way amplifier push S6-A6C, low pick up did

not open. Into an “eagle select” select “Hotel California” to see how the acoustic performance, live atmosphere to restore the Hotel

California is not difficult for the expensive equipment, but for some low-end equipment, but the difficulty is, tambourine, guitar,

applause, cheers and other on-site 零零 overall total to the sounds of which are listed, many systems can be restored, the lack of

natural delicate sense of hearing, to restore the sound is flat out, presence is very poor, but the S6- A6C out the effect of restoring

the true delicate, due to low speaker did not open, set aside the amount of low-frequency sense is not that the sound field

performance is very good, real people have a space to restore the feeling of exposure to the scene; this effect in Zhao s ” Riverboat

“in the performance of the more prominent, the drums beating his chest after the Zhao deep voice sounded close at hand but do not

force your ears, from the performance of girls doing the singing was very good, strong sense of hierarchy.

Equipment for the SQ is to create a space is not difficult, the difficulty is to restore the slightest ability to complete the details now, if

we can restore this delicate, precise details of the entire sound field reproduction can only be guaranteed, DB S6A-6C in this regard

was very good.

SQ speaker system featuring a high cost

From the sound quality is, S6-A6C2 Road, 6.5-inch component speaker system is very suitable for the former SQ sound field speakers

to use, transparent and delicate speakers in the car a small space to create a good sound effect than the IF solid, rigid texture

speaker is much easier, the election of the sound field speaker featuring the former, the entire system sound effects only the basic

guarantee. In addition, S6A-6C installation is very easy to install without a mold treble to the A pillar, just buy the bracket to the A

pillar on the line, the tweeter can do 360-degree adjustment. Midrange unit is installed to the front door to the original car speaker

position, but to note is cut to cover the original car horn, the horn loaded, or else the sound on the inside cover, seriously affected

the sound.

As for the system with the host can choose Alpine sound warm host, DB A3 80.4 push S6A-6C package featuring front speaker sound

field, 2 A5 1200.1 mono amp pushing 2 K1 12-inch bass is sufficient, both to ensure that large dynamic sound, the sound quality is

also very prominent, it is worth a try.

U.S. DB S6 A6C currently not listed, the retail price is not known, but according to inside information that is 2,000 early price, the

price of this effect, the cost is very high, S6 A6C is highly recommended a set of speakers .

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car audio conversion to give you a million reasons

The following passage quoted from Liao Jianhua brilliant teacher comments: Hefei market can support 10 professional car audio shop

conversion, why can not you there?
“The only reasonable answer is Hefei Hefei local car audio store continuously modified pie bigger and bigger, and only a big cake to

feed more stores, all stores in order to live more moisture.”
This comment I have mixed feelings, as the car audio industry in Hefei part, deeply long way to go. Shops and more fear, but more

and more felt, car audio conversion marketing obstacle is the owner of the concept (especially for the early development of the

store), so the germination of “car audio conversion, to give you a million reasons,” this proposition.
The world is guided by the subject and object, I dominate my senses, and their vision for the future dream car might as well have

today …… by audio conversion (upgrade) and enhanced with the fun of it, not because the audio conversion vehicle level determines

the meaning of its existence.
Xiao Wu initiate tribal Tianyin, please express their views, padded audio conversion a million reasons, in fact, even if there is enough

to power 100, the more welcome that it will not change the sound of reason, as long as the idea is true, are worth considering .

Hovering in the change and make more do not change, change to what extent the confused riders, more rational to face this audio

conversion.
More than once heard the owner say: but not a good car, commuting to open to open, change what sound, what the speaker

upgrade, what noise, not that necessary … if you buy a Department of luxury cars, it should be a good change it … owners pass

information: that is clearly a good horse with a good saddle. Even own sound pretty interested, he would think so, of course, here is

the majority owner. Players may discuss the scope of the (often with modified equipment worth more than the prices of things

happen oh).
Careful analysis, this passive concept generation, is the inertia of thinking at play: that since it is not a good car, noise, and also

opened a few years, why should I waste money. In fact, they often overlook an important factor: stereo upgrade is used to enhance

the owners converted the fun of driving and enjoy a good car audio, can alleviate the pressure of work, the mood relaxed. Than the

fitness and the park, do not specifically take time to experience, but take the time and space to treat yourself like fuel line or a red

light, waiting for the wife lounged intermittent painting makeup, traffic jams suck points seconds, minutes and seconds, high speed

easy to fall asleep, and so on. These make you uncomfortable living fragments, so long as to music, to enjoy the wonderful sound you

will become one of joy. If the normal driving time count, the happy unknowingly have a multiplier effect.
Above should be established on the basis of a good car audio, (if the speaker is very general, the doors do not any noise, feeling

slightly turbid, slightly smaller can not hear the details, and then mixed with the noise resonance point of the door, then the real fun

can not even talk, this time to shut up sound, or listen to radio traffic, a more realistic understanding of where the traffic jams)

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car audio wire tips The first is a good safety wire requirements

Wire for the emergency vehicle is very sound, and sophisticated requirements of the first wire is safe, followed by a good anti-

interference, attenuation. audio cables and signal lines and power lines, including two major categories.

Signal lines: requirement of a good anti-interference, can reduce the signal attenuation, Bingge delicate, the joints to prevent

oxidation. Some of the top signal line often using special alloy materials, card-ring plug and plug gold plated to prevent oxidation. For

example, the United States monster (monster) brand wire in the audio enthusiasts is Tai Fu Ding Ding.

Power cord: current and voltage requirements of stability, impedance, current attenuation. Selection and power supply cable for

power is often a large current is also large, need to select the thick wire. High purity materials commonly used pure metal wire, a

senior major and enthusiasts will use sterling silver wire. Wrap the power cord insulation material in addition to insulation, but also to

high temperature.

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aesthetic evaluation of simple audio conversion Benz E280

Test vehicles: Mercedes-Benz E280

Sound System: France FOCAL (Jin Long)

System Configuration

audio: E280 original host vehicle

Before the sound field: UK Genesis P15 push FOCAL Utopia Be No.6

Bass System: UK Genesis MonoBlock push France FOCAL 21WX

Pre-processing: the United States to Fu 3SIXTY.2
car audio conversion is bound to destroy the original car s interior, which is the industry s indisputable fact. But the world is converted

into the original type and MODIFIED STOCK modified type, which is due to traces of a considerable number of consumers is too

obvious not to accept modifications that destroy the beauty of the original car, in the country there are many people who have

unfortunately car concept, which also has been the development of car audio conversion shackles. The evaluation of the first song

brothers converted, but in the modified open up Xi in diameter.

System 4

Audio part has not changed, E280 is the host of the original car DVD player with screen, but the U.S. first-class treatment to the

blessing 3SIXTY.2, to good fortune it is modified specifically for car audio and pre-class part of how parts of the distribution then the

adjustable processor with Bluetooth technology, can delay, equalization, channel distribution and other functions, in particular, can be

personalized for the car to the regulation. P15 is the UK s Genesis Genesis s flagship amplifier, the application of pure class A + G

technology to push the French FOCAL (fresh wave) utopian six-inch two-way set-level NO 6. Bass part of the Genesis Pure Class A

amplifier is used to push MONOBLOCK lifting style 21WX. In the latter part of the whole system level the match can be described as

pure musical class practice in music of such a system is impeccable. Application of the original car the host may make hardcore fans do

not recognize, but 3SIXTY function will sound a qualitative leap.

4 modified car ride

STK is a typical car traveling in the original-style modification, host bits do not change, NO 6 bass in the original installation location of

vehicles, and treble is also the location of the original car, the mold and placed in the angle at the front door, the treble mold

removable, and treble with the original without any changes can be installed directly. Treble the mold surface is high fever with civilian

sound card cover the surface mesh, and not as commonly used leather car audio conversion coating.

Modified trunk 4.5

Hoisting suitcase-style modification is the classic, installation, technology is also very particular about. Amplifiers and processors are

installed in a special plexiglass box, especially fine. Bass is the modified lifting luggage at the top who are not familiar with the

modification can not see traces of a similar surface with blankets and luggage handling. From the car after the conversion stage but

can not see the signs. Bass using lifting means, the biggest advantage is that will not take up trunk space, but the parameters of the

woofer for high, especially in power requirements.

Noise damping 4.5

European cars of the noise-isolation achieved very good results, E280 in order to ensure the sound effects, door and the vehicle will

be part of all in the U.S. Dynamic (kinetic energy) of the specific material handling, the overall effect of modified cars to new heights.

Tap the door to the touch and the sense of hearing can determine, the damping effect of which has been very solid, not hollow

echo.

Sound 4

FOCAL speakers known for their high resolution, high-density sensor is known, NO 6 is used beryllium tweeter, treble texture, density

sensor heights, Genesis Pure Class A power amplifier such as the silk-like quality playback lubrication. Bass is not the kind the world s

best personality, although only a bass, and the combination of the sound field before it is required that classical music is the kind of

modest, of course, if you play the world s best music, this E280 is not appropriate.

Tone 4

Sound can be elegant to describe the performance of the system from the power amplifier to the speaker s choice to say more on

the beauty of tone, not to care too much sound pressure and dynamics. Dvorak s “Ninth Symphony” in the performance of the

various voices and the sound of brass bands performed very texture.

3.5 sound field

Because the installation is STOCK, as treble the installation location is in the original car, and make the sound field is too forward, the

sound field depth is not deep enough, but the width of the better performance. By using this pre-processor 3SIXTY.2, time

alignment and equalization have good performance. Noteworthy is the low back with a convergence of sound field has been very

good, basically do not feel the bass is coming from behind.

News 4

Large dynamic down to listen or rich levels and details of the high level of car audio fever. As a result of pure Class A power amplifiers,

where the equipment is FOCAL Utopia-class equipment, large dynamic sound without distortion, and the level is very clear. Pressure in

the case of loud, bass although a bit compressed, but the bass content of the dive and the loose sense in this car to listen to, but

not chaotic and moderate.

Balance of 4.5

In normal listening volume down, balance can be said has been very appropriate, 3SIXTY powerful in the fact that the car can be

arranged and adjust the performance of the entire system, treble and tenor of the convergence and the transition is very smooth,

bass and low amount of sense, whether the interface is the interface between the frequency response performance in the music

seamless. Large volume, low-frequency slightly less than, but listen to pop music, light music without feeling.

4.5 overall comments

Modified Mercedes-Benz cars, the industry has many of the cases, but the first song on the brothers in E280 can learn at least two

modifications: First, to do with how good the original voice of the host vehicle; the second is in the process and selected materials.

Simple aesthetic adapted the system, but without losing the personality and highlights, in particular, focus on restoration of the

original car and the whole car modified to consider environmental considerations are worthy of the industry reference. The Pure Class

A power amplifier with outstanding performance FOCAL match, but also shattered the sound is not good use of the original host

fallacy.

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