Tag Archives: pro speaker

In fact, car audio and home audio, stage sound similar, in essence, restore the sound and video equipment, also has the audio source (CD, DVD, etc.), preamplifier, amplifier (also known as power amp), speaker (also called horn) four basic parts.
Depot cost control reasons, the original car that matches the car stereo will usually sound source, preamplifier and amplifier together (that is, we usually host), and then match the ordinary speaker of the whole step to complete a basic system to meet their basic functional requirements. High configuration and high-end cars will have independent speakers and dedicated subwoofer (like a crown, Audi, etc.). As technology advances, the source continuous integration of new practical features, like navigation, Bluetooth communications, vehicle diagnostics and other functions on behalf of the brand made the Huayang DVD navigation, day camp, fly rhyme, Philco and Japanese The Alpine, Pioneer, Kenwood, and so on. Professional car audio brands with the owners of rising demand, Europe and the United States focus on development in the field of speakers, amplifiers and preamplifiers are also constantly be imported into China, like Europe, Department of Man piano, Tanner, rainbow and U.S. Department of Radford Golden Phoenix.

The car horn is the frequent use of the device while driving, if the speaker fails, the car will be very inconvenient. Sometimes according to the speakers, the sound is not like a mosquito called, is very hoarse, even voice. This is exactly what is causing?

Let\\ s look at the speaker is how it works. When the horn button press on the steering wheel or other location, the current from the battery through a circuit toward the horn relay, solenoid coil, solenoid coil to attract the moving contact of the relay switch is closed, current will flow to the speaker at the . The current speaker internal electromagnet, so that the diaphragm vibration and sound.

According to the author\\ s experience in many speaker failures, there is a problem often is the fault of the speaker itself. In particular, speaker installation location of some of the automotive design is flawed, and very easy to make the speakers to rain water when it rains, causing damage to the speaker. Common parts of the fault when the speaker does not ring, no more than 3:00, that is, the speaker itself, the speaker switch contacts, as well as the speaker wiring harness, when failure to refer to the following steps to check.

Sometimes does not ring horn switch, if the speaker is sometimes loud and sometimes does not ring, multi-speaker switch contacts within the contact is not good, but also some of the speaker itself.

Second, hoarseness multi-plug connection is bad, especially the steering wheel around the various contacts, due to frequent use, easy to make contact frayed.

Three and did not ring the first to check the fuse to see if the fuse, and then disconnect the speaker plug with a multimeter to measure whether there is electricity here in the horn switch. If there is no electricity, should check the speaker wiring harness and horn relay; if there is electricity, the speaker itself, then you can try to adjust the adjusting nut on the speaker, if it does not ring, you need to replace the speaker.

Serious car horn noise, respirable particulate matter is still the Olympic air problem, and solve these problems, the person in charge of relevant departments in Beijing yesterday afternoon at the regular press conference on the Beijing Olympic Media Center revealed that Beijing will strengthen the management of the noise of car horns.

\"Many foreign tourists come to China, the first problem is the car horn noise as if the old in the ear, do not know what measures to meet the Olympic Games, noise pollution?\" In response to reporters\\ questions, the Beijing Environmental Protection Bureau Shi Hanmin traffic speaker noise in the past few years is indeed very serious, the people have a lot of complaints. Municipal government this issue late last year, the enactment of the Beijing environmental pollution, noise prevention measures, more detailed content, covering the provisions of the traffic noise, and require developers to cover the finished house for sale must be published before the noise, even neighborhood decoration and so on. This approach has been introduced on January 1, \"is definitely on the noise pollution to a certain extent, Shi Hanmin, car horn has also been the relevant provisions of the parties concerned will further strengthen the management to solve this problem.

Shi Hanmin also disclosed that the Olympics air quality assurance program has been commissioned by the Academy of Sciences of Tsinghua University, Peking University to lead the development, mainly in two phases, one from now until the Olympic Games opening, then one during the Olympic Games. Shihan Min also said that Beijing will strengthen the coal to electricity in urban and rural aspects of the work of the Ministry to promote clean energy, and strive to air quality of Beijing in 2007 and two better than the weather up to 67% that is 245 days.

    Winter to spring, the reawakening. It is also a travel outing season dormant over the winter hastened out to the sun. The flowers are blooming, willow Tulv, wander in the hills turn the flowers bathed in the warm sun of spring, swept away to the cold of winter, think you feel comfortable. Quickly to about Sanwuzhiji, hiking trips go! The music is naturally indispensable to bring do not need the card or to connect the AUX line can be non-card wireless play music card speakers, to bring more convenience for the entire trip.

    Bluetooth Portable speaker F1 from Gold River\\ s old electro-acoustic vendors, not only have all the features we mentioned earlier, elements and, more importantly, she also has the function call.

The Jinhe F1 phone Bluetooth speaker
Gold River F1 quintana full piano paint process accounted look very like a miniature version of the skyscraper model, the center of gravity drop \"tumbler\" type of product design ideas and a unique soft non-slip mat design makes the machine stable performance excellent, even on the moving car, do not easily fall or the occurrence of roll, which is undoubtedly very useful for people who travel in the

    Compared to the appearance of smart design, the performance of the Gold River F1 function is undoubtedly superior. The full-band horn unit and built-in bass support unit tri-band performance is amazing, full of rich bass, smooth midrange and treble clarity. Users only need to open the phone\\ s music library and select Play via Bluetooth (based on the mobile phones of different tips may be a different language), you can enjoy through the Gold River F1 more perfect listening experience, completely avoiding the traditional card speaker back and forth the drawbacks of a removable card.

The Jinhe F1 phone Bluetooth speaker
It is worth mentioning is the Bluetooth, Gold River F1 uses Bluetooth 2.1 wireless technology, the computer can include the iPad 3, iPad, the iPad, the iPhone, HTC and so on all major mobile phones, Tablet PC, MID and Bluetooth function match the effective distance up to 10 meters. Merchants introduced the the Jinhe F1 Bluetooth connection only need to set up once, next time you boot the system will automatically connect, very intimate.
The Jinhe F1 and almost all Bluetooth-enabled mobile phones, tablet PCs and other devices to connect
Particularly humane, Gold River F1 also built a stealth high-sensitivity microphone can be easily incarnation and support calls and music playback function automatically switches the phone, Internet phone, the headset completely avoid manually after the end of the call re-set the music player to affect the good mood.
Life, Gold River F1 is the latest D-Class low-power chip, and thus life long compared to many similar products have improved significantly on a single charge of continuous play dozens of hours long enough to deal with a long-distance travel listening needs. Of course users can also replace the battery to extend the life time of (Jinhe F1\\ s battery and the Nokia BL-5C type battery, universal).
 Edit Comment: As the saying goes world April Fangfei do Temple peach before bloom! Busy working people tired, why bother to wait until April to go everywhere to look for spring. Gold River F1 is not only the appearance of small, pleasant, work is also very prominent. Functional performance is remarkable, worthy of starting.