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Mobile Enhancement Experts in Milford CT

55 Woodmont Rd., Milford, CT 203-954-0066
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Basics of OEM Integration in Your Newer Vehicle

OEM IntegrationInstalling a mobile audio system involves much more than just hooking up some wires and driving in a few screws. Almost all vehicle manufacturers have realized that some amount of audio system tuning will dramatically improve their customers’ experience. When you decide it’s time to upgrade your factory audio system, we need to take into account any tuning that may have been done by the factory. It’s not easy, but at the same time, it’s not impossible. This article provides a brief look at what is involved in connecting a new amplifier and speakers to your factory source unit or amplifier, or as it is called, OEM integration.

It’s Not Flat

No, we aren’t talking about the Earth. One of the first steps in designing a premium audio system upgrade is to measure the electrical signal that is being sent to each of your speakers. Why? As we mentioned, more and more factory source units and amplifiers include advanced signal processing. Even some of the most basic audio systems with only four speakers have custom equalization for each speaker. Once our installers know what they are dealing with, they use that information in designing your new system.

OEM IntegrationThe signal measurement process should be done before system design. If the signal is flat (no equalization), then the system design may take a different direction from when the signal is equalized. Compensating for factory equalization requires that some kind of equalizer be installed in the new system. Either way, we have to allot time to measure the acoustical response of the new system and make appropriate adjustments.

Think of this process as though your installer were a surgeon preparing to solve a medical problem for you. The surgeon will order x-rays, scans and many tests long before you’re on the operating table. Nobody wants to start work on a project without knowing what they are dealing with. Modern car audio systems are no different.

Front and Center

OEM IntegrationAutomobile manufacturers strive to make all their customers happy – within a certain budget. This goal includes providing an enjoyable audio experience for everyone in the vehicle. Many mid- and high-level factory audio systems use a center channel to help create a listening experience that is enjoyable for both occupants of the front seats. Configured properly, a center channel can help create a realistic soundstage from both seating positions. Trust us when we say that some of the people who tune these factory audio systems have a lot of experience doing what they do.

When we want to upgrade the audio system in a vehicle with a center channel, we have to reverse-engineer how that speaker is functioning. Is it a mono signal that is the sum of the left and right signals? Is it an up-mixed signal that plays sounds that are not reproduced by the left and right speakers? It could also be a little bit of both. Your installer will have to do some tests to decide what is happening and how to deal with it.

Do We Undo or Up-do?

OEM IntegrationIf you have a vehicle with a genuine up-mixed center channel, one of the best ways to upgrade the audio system is to leave the processing alone and add better speakers, amplifiers and signal processing. With this method, we can create a sound system that sounds amazing from both the driver and passenger seats.

The basic concept is to take the left, center and right signals; recombine any frequency filtering; then send those three signals to whatever speakers you choose for each side of the vehicle and the new center channel. Often, the new system will be a three-way speaker set in the doors and maybe the A-pillars, and a two-way system in the center. We will most certainly use a digital signal processor and/or an integration processor to do the signal filtering and tuning for the new system.

How We Undo What They Do

OEM Integration
The JL Audio Fix 82 can “fix” a number of factory signal problems.

Several processors on the market can sum filtered channels together and undo factory equalization and time alignment. Some of these processors require manual adjustments and some work automatically with a custom setup track. After using one of these processors to provide a full bandwidth signal, we can then use digital signal processing to set up the new system and compensate for the vehicle acoustics. Just as the vehicle manufacturer chose to equalize the signal going to each speaker, we need to do this to maximize the performance of your new system.

What if We Don’t Undo What They Did?

Imagine a simple scenario: You have a car, perhaps a Nissan Altima. Even the base model audio system has equalization in this vehicle. Equalization is based on the speaker that is being used, location of the speaker and acoustic effects of the vehicle on the signal from that speaker relative to the listening position. If we change the speaker to one that is better, the factory equalization can – and most likely will – work against us. That nice new speaker may sound worse than the cheap factory speaker. After all, the manufacturer tried to make what was likely a low-quality speaker sound OK.

Trust Your Local OEM Integration Experts

When it comes time to upgrade the audio system in a fairly new vehicle, make sure you are working with a mobile electronics retailer that knows how to evaluate the existing audio system properly. If you are changing the source unit, then it’s no big deal. But if you are using the factory radio and/or amplifier, proper testing is crucial. Don’t be scared or discouraged. A well-trained retailer can transform any audio system into something truly amazing! Drop in and see what they can do for you.
This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, Integration, RESOURCE LIBRARY

Product Spotlight: iDatastart VWX Remote Starter for Volkswagen and Audi

Volkswagen Car Starter

Volkswagen, Audi and Bentley vehicle owners are in luck! The VWX remote car starter from iDatastart was specifically designed for your vehicle. Starting your car a few minutes before leaving for work or the drive home will let the engine warm up in the winter or allow the air conditioning to cool things off in the summer. Either way, your drive will be much more enjoyable. Let’s take a close look at the features and some of the options available from this unique remote car starter.

iDatastart VWX Features and Compatibility

The VWX includes all the inputs and outputs necessary to allow it to start Volkswagen and Audi vehicles reliably. Aside from starting your Golf, Jetta, A3 or A4, you have complete remote control over door locking, unlocking and trunk or hatch release control on compatible models. The system includes a dedicated output for the vehicle horn, and an optional siren can be added to provide enhanced security and protection. The system can monitor the hood, trunk and door status to let you know if someone is trying to break in.

Depending on the specific year, make, and model of the Volkswagen or Audi vehicle you own, the VWX can automatically activate the rear window defroster and factory-installed heated or cooled seats after the vehicle is started.

Volkswagen Car Starter
The IDatastart VWX is a remote car starter controller specifically designed to work with Audi, Volkswagen and Bentley vehicles.

Remote Control Options

The VWX can be used with current Compustar remote control kits, including the fantastic 3-mile-range, two-way T13 LCD unit or the one-button R5. The new Q9 remote is an excellent option for a price-conscious two-way remote with an LCD screen. Two-way communication lets you know that a lock, unlock or remote start request sent from the remote has been received by the VWX controller in the vehicle.

Volkswagen Car Starter
Compustar offers a variety of remotes like the Q9, T13, R5 or R3 that work with the VWX controller.

For the ultimate convenience, you can pair the VWX with the DroneMobile smartphone telematic control system. You can send commands over the cellular data network to your vehicle using an app on your Apple or Android-based smartphone and a communication module connected to the VWX in the vehicle. You can check to ensure that the doors are locked when the car is parked at the airport and you’re sitting at the pool bar at a resort in the Bahamas.

Using one of the Premium service plans for DroneMobile adds GPS locating and alert options. You will get a notification any time your vehicle moves or an alert if someone drives off after bedtime. If you share your car or SUV with a family member, a quick tap on the smartphone app will let you know exactly where your vehicle is and how fast it’s traveling.

If your vehicle comes with a keyless entry fob, the iDatastart VWX can be programmed to work with that remote. Pressing unlock will not only open the doors but deactivate the security features of the VWX. The VWX can be configured to remote start the vehicle if you press the lock button on the factory remotes three times in quick succession. This feature is called 3X Lock Start and is handy if you want to use the factory key fob to keep your keychain uncluttered, along with DroneMobile for those times when you are too far away from the RF remote.

Volkswagen Car Starter
DroneMobile is an easy way to remote start or unlock your Volkswagen or Audi from almost anywhere using your smartphone.

Upgrade Your Comfort with a Volkswagen or Audi Remote Starter

If you are shopping for a remote car starter for a 2006 or newer Volkswagen or Audi (or a Bentley Bentayga), drop by a local authorized retailer and ask about the iDatastart VWX system. They can explain exactly which features and functions are compatible with your vehicle’s specific year, model and trim level. The dealer will also help you choose the best remote control solution based on where you park the vehicle at home, at work and out on the town. Ensuring that you have the right control options and range is crucial to warming up or cooling the vehicle long before it’s time to drive off.

For more information on the iDatastart VWX, you can visit the iData website. In the United States, iDatastart products are distributed by Firstech, the parent company of Compustar. Most Compustar retailers have access to this unique Volkswagen and Audi-specific car starter solution.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, PRODUCTS, Remote Car Starters, RESOURCE LIBRARY Tagged With: idatastart

Product Spotlight: Compustar Q9 with LTE Remote Starter

Compustar Q9

Two-way remote car starters and security systems help to ensure that you always know what’s happening with your car or truck. Remote controls that include an LCD screen make it quick and easy to know whether the doors are locked or the engine is running. Compustar’s Q9 remote kit consists of a two-way LCD remote and their DroneMobile X1-LTE telematics interface to provide a complete control-from-anywhere remote starter or security solution for your vehicle.

What Is the Compustar Q9 with LTE Kit?

The Q9 remote and DroneMobile kit is known formally as the RFX-2WQ9-FM. It includes a two-way LCD remote and the DroneMobile X1-LTE interface. The remote features five control buttons to make locking, unlocking, remote start and trunk release functions instantly and intuitively accessible. The centrally located Engine Start/Stop button on the Q9 mimics the lock, unlock and remote start functions of a Compustar one-button remote. You can also access two auxiliary outputs to control power sliding doors on a minivan or hatch release on an SUV. The LCD screen has dedicated icons that display the door lock status and indicate whether the doors are open or the engine is running. If you opt for a temperature sensor when the Q9 is installed, you can also check the temperature in the vehicle.

Compustar sells its remote packages separate from its control modules, so the retailer you’re working with can pair the Q9 kit with a remote starter, security system or a hybrid unit that offers all the features you want. The Q9 remote is bundled in the CSX2WQ900-A security system with DroneMobile and the CS2WQ900-AS remote starter and security system.

 

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The RF transceiver in the Q9 remote provides up to 3,000 feet of range to let you control your vehicle from inside a small apartment or a medium-sized office building. This is enough communication range to let you keep tabs on your vehicle and remote start it without going outside. Factory-installed keyless entry systems don’t provide this much range.

Compustar Q9
The Compustar Q9 remote features a color display that lets you know the status of your vehicle.

Security System Alerts

The Q9 remote will notify you if a Compustar alarm system has been triggered. The remote will beep and buzz when this happens. If someone has bumped into your car or is trying to cut the catalytic converter off your truck or SUV, these alerts will let you know it’s time to call the authorities.

 

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Control from Anywhere with DroneMobile

The Q9 remote kit includes the DroneMobile X1-LTE telematics system. DroneMobile consists of a communication interface that connects to your vehicle’s Compustar remote starter or security controller. The interface uses cell phone communication towers to relay commands from your smartphone to the vehicle and back. If you want to remote start your car or truck, launch the app on your phone and press the start button for a few seconds. The starting message from the app will travel through the internet and the cellular provider to the vehicle in a few seconds. Best of all, once the vehicle is running, you’ll get confirmation on your phone. There are no range limitations with Drone. You can be at home, at work or on vacation in Mexico – as long as you have internet access, you have control. If you have the FT-DAS-II sensor in your vehicle, the DroneMobile system also relays security alerts to your smartphone.

With a DroneMobile Premium service plan, you can also use the X1-LTE’s built-in GPS receiver to pinpoint the location of your car or truck. You can set location-based geofence or time-based alerts to keep tabs on your vehicle.

Compustar Q9
The Q9 remote kit includes the DroneMobile smartphone control system that provides vehicle control from almost anywhere.

Add Convenience and Security with the Compustar Q9 Remote

If you’re shopping for a remote car starter or car alarm with a high-performance two-way remote that includes an LCD screen and the state-of-the-art DroneMobile telematics solution, drop by your local Compustar retailer and ask about the Q9 remote kit. You can find a retailer near you using their Dealer Locator. Be sure to follow Compustar on Facebook, Instagram and YouTube to stay up to date with their latest product releases.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, PRODUCTS, RESOURCE LIBRARY Tagged With: CompuStar

Why are Speakers Different Sizes?

Speakers Different SizesWhen you head to your local mobile electronics specialist in search of new speakers, there are a few criteria to keep in mind. Choosing a speaker size can go one of two ways: You can pick something that fits a specific mounting location or you can choose based on the characteristics of the speaker relative to its size. Are you interested in knowing why speakers come in different sizes? Good! You’ve come to the right place.

What Does a Speaker Do?

It is the job of a speaker to convert the electrical signal from your amplifier into motion. The motion of the speaker cone excites the air around it. As the cone moves forward, the air in front of the cone is pressurized. As the cone moves rearward, the air is rarefied. These pressure waves extend out from the speaker and our ears detect these minute changes in pressure as sound. Pretty simple, isn’t it?

Things to Consider in Terms of Reproducing Sound

Speakers Different SizesWhen it comes to reproducing sounds, the lower the frequency, the harder it is to produce the sound. For every doubling of frequency, the speaker cone has to move a quarter the distance to produce the same level of output. As example, if your subwoofer has to move 2 mm to produce 95 dB of output and 40 Hz, it only has to move 0.5 mm to reproduce 95 dB at 80 Hz. To reproduce 95 dB of output at 160 Hz, the cone only has to move 0.125 mm.

The size of a speaker cone affects how much sound the speaker will create for a given amount of input signal. Let’s generalize things a little (because a lot of external factors affect this statement): A 12-inch speaker cone has to move twice as far as a 15-inch speaker cone to produce the same amount of output at a given frequency. That also means the 12-inch speaker requires more power to produce the same sound as the 15-inch.

Bigger is Always Better, Right?

Based on this logic, you should simply select the biggest possible speaker for every application, right? Well, it’s not quite that easy. When we get into midrange and high frequencies, the speaker cone has to move back and forth very fast. A 1,000 Hz tone requires that the speaker move forward and backward 1,000 times a second. A 10 kHz tone requires 10,000 of these same motions per second. If we use a big speaker with a relatively heavy cone, it’s very hard to keep up with the input signal. Why? Inertia.

Speakers Different SizesLet’s use an analogy to help explain this. Imagine that you are at a parade and waving a flag. The pole is 6 feet long and the flag on the end is 3×5-foot. You wave the flag back and forth as fast as you can. Even if you are really strong, the fastest you can wave it back and forth is once, maybe twice a second. Now, look at the little kid standing beside you at the parade. He has a little paper flag that’s 2×3 inches on a 5-inch-long plastic stick. His little hands can wave that flag back and forth five or six times a second.

Speaker engineers have to balance several characteristics to achieve specific goals for a given design. Let’s compare the weight of a speaker cone for a 10-inch subwoofer to that of a 10-inch midrange used in concerts and public address systems. A typical 10-inch sub that is designed to play frequencies below 150 Hz has a cone assembly (cone, voice coil, former, half the spider and half the surround) that weighs around 150 grams. A 10-inch speaker designed to be used for midrange frequencies (150 to 1 kHz) has a cone mass assembly of around 40 grams.

Clearly, the lighter assembly can move faster and keep up with the reproduction of higher frequencies.

Is Lighter Better?

Now we face the conundrum of balancing low- vs. high-frequency output. A lighter cone will move faster and is capable of producing extended high-frequency output. A heavier cone has a lower resonant frequency and thus, can produce more low-frequency output. Combine these generalizations with electrical issues affecting voice coil inductance, and we further hinder high-frequency output. It starts to become clear that we need different-sized speakers for different applications.

Subwoofers

Speakers Different SizesMost subwoofers are sized from 8 to 18 inches. Since subwoofers are designed to play frequencies below 100 Hz in car audio applications, they need a lot of excursion capability and a low resonant frequency. This means subwoofers will have relatively heavy cones. At high excursion levels, cones are exposed to significant stresses, so the cone has to be strong, and this further contributes to their weight. Subwoofers have to handle a lot of power. This power allows us to move the cone over relatively large distances. Power handling requires bigger components in the form of large-diameter voice-coil formers and windings.

Midbass Drivers

Speakers Different SizesA dedicated midbass driver is typically designed to play from around 50 to 500 Hz. Sizes are typically 6.5 to 8 inches in size, but some people have used 10- and 12-inch drivers. The cone has to be heavier than that of a midrange, but not heavy enough to slow it down for higher frequencies.

If you look at the frequency content of a performer, you will see that many voices extend down to 100 Hz. Accuracy in speed is important in this frequency range. Resonances and non-linear behavior causes harmonic distortion. This is often perceived as “warmth” in the midbass region. We do not want anything extra in our music, so accuracy is what matters.

Midrange Speakers

Speakers Different SizesMidrange speakers become a balancing act of several different characteristics. Of course, the cone has to be relatively light, but managing linearity and distortion becomes an even higher priority. It’s easier to hear distortion at midrange frequencies. The cone has to balance mass, damping and strength to prevent deforming and cause harmonics. The suspension has to be very linear.

Managing inductance also becomes a more significant issue because it can reduce high frequency output. Midrange drivers for typical car audio applications vary in size from 6.5 inches and 6×9 inches on the large side down to as small as 2.5 inches. Many midrange drivers try to do double-duty as midbass drivers for use in two- or three-way audio systems. While this is a minor compromise, it is a necessity. We consider midrange speakers to cover the range from 100 Hz to 3,000 or 4,000 Hz.

Tweeters

Speakers Different SizesTo reproduce frequencies above 2.5 kHz, tweeters need very light cones. Tweeter cones don’t move very far, so they don’t require much excursion, but there still has to be a suspension. Resonances in the cone can wreak havoc with frequency response. Premium tweeters may make use of features like ferrofluid in the gap to improve power handling. Premium tweeters may also include a copper pole-piece cap to reduce inductance and distortion.

Directivity Considerations

Another consideration when choosing speakers is that all speakers above a certain frequency start to become directional. Directivity refers to a reduction in high-frequency output as you move off-axis to the speaker. If you choose your speakers and design your system carefully, you can minimize the effect of directivity. The only real consideration would be to have your tweeters pointed at you.

The Balancing Act

The applications for the information in this article vary, depending on your overall goal for your audio system upgrade. A simple set of coaxial replacement speakers will be chosen by the size application. If you are building a high-end audio system with multiple amplifiers, channels, digital signal processing and custom speaker mounting locations, then choosing the right speakers in terms of their quality and intended application becomes more important.

Learn More about Speakers and Their Different Sizes at Your Local Retailer

Your local mobile electronics specialist retailer can help you choose the right speakers for your application and performance goals. Drop in at a local shop today and have a listen to their demo board or demo vehicle. It’s an amazing experience!

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: RESOURCE LIBRARY, ARTICLES, Car Audio

Product Spotlight: Sony XAV-AX4000 Digital Multimedia Receiver

Sony XAV-AX4000

Over the last few years, Sony’s multimedia receivers have become increasingly popular. As more units have sold, retailers have asked for iDatalink Maestro integration, USB-C support and powerful sound customization. With Sony’s new XAV-AX4000, those requests and more have been fulfilled. Let’s look at what this sleek and impressive car audio source unit offers.

Clean Cosmetics and Intuitive Technology

The first thing you’ll notice about the XAV-AX4000 is that it still looks great in the dash of your car or truck, and the user interface is as intuitive as it gets. Anyone can easily select source options or adjust settings without needing to read the owner’s manual. The icons on the screen can be expanded by selecting the “All Apps” icon on the screen and can be rearranged to create a layout that gives you quick access to the elements you choose on the home screen.

The 6.95-inch touchscreen display has a resolution of 800 by 480 pixels with a brightness of 600 Cd/m2. Four physical control buttons along the bottom of the screen make it easy to access the main menu, adjust the volume, change tracks or activate voice recognition features.

Sony XAV-AX4000
Sony multimedia receivers have one of the most intuitive menu systems on the market.

The radio includes wireless Apple CarPlay and wired and wireless Android Auto connectivity. Start your car, and the phone will connect automatically so you can make phone calls, send texts or get navigation directions from Google Maps or Waze. Of course, you can use your favorite streaming services like Pandora, Spotify, iHeartRadio or Apple Music to be entertained while you drive. A USB-C port on the rear of the chassis can be used with a USB mass storage device to play MP3, WMA, AAC, FLAC, WAV, ALAC, DSF or DSDIFF audio files.

You can also use the USB-C port to charge your phone with up to 3 amps of current. The XAV-AX4000 supports the LDAC codec with Android smartphones for those wanting excellent Bluetooth streaming audio quality. Of course, the radio includes an AM/FM receiver with RDS information display.

Sony XAV-AX4000
High-resolution Bluetooth audio streaming is supported by Android smartphones that use the LDAC audio codec.

Audio Features Add Realism to Your Music

The XAV-AX4000 includes a 14-band graphic equalizer, front, rear and subwoofer signal delay setting adjustments and adjustable three-zone high- and low-pass crossovers so your installer can fine-tune your system to deliver excellent sound and detail. The preamp outputs are rated to provide up to 2 volts of output, and the built-in four-channel amp is good for 20 watts of power in compliance with the CTA-2006 standard.

Sony XAV-AX4000
Premium system configuration and calibration included with the XAV-AX4000 will help your car stereo sound great

iDatalink Maestro Integration

One of the most sought-after upgrades to the XAV-AX4000 is the inclusion of support for the iDatalink Maestro RR and RR2 integration modules. These interfaces will allow the radio to communicate with certain vehicles to provide steering wheel control, backup camera and auxiliary input connectivity. You can display vehicle information such as engine speed, vehicle speed, battery voltage or engine load on the dashboard display and check tire pressures and battery voltage on another. Many vehicles allow the Maestro interface to provide access to climate control adjustments. Your Sony retailer can let you know about the features that are compatible with your make, model and year of car or truck.

Sony XAV-AX4000
Compatibility with the iDatalink Maestro RR and RR2 allows the Sony XAV-AX4000 to communicate digitally with your vehicle.

Installer- and User-Friendly Design

From an installation standpoint, the single-DIN chassis behind the double-DIN display dramatically simplifies installation. The radio includes an external Bluetooth microphone to deliver excellent outgoing audio quality. Another new feature is selectable and user-uploadable background wallpapers to match your vehicle interior or your mood.

The radio also includes a rear-view camera input with automatic reverse triggering, and the Maestro will include factory parking lines and sensor data in some vehicles. Finally, Sony has designed the XAV-AX4000 to wake up quickly, so your music starts playing when you are ready to go.

Sony XAV-AX4000
Users can select from several background wallpaper colors or upload their own image to personalize their radio.

Experience the Sony XAV-AX4000 Today!

If it’s time to upgrade the technology in your car or truck, drop by an authorized Sony retailer today and ask for a demonstration of the new XAV-AX4000 multimedia receiver. We’re sure you’ll be impressed by its performance, features, appearance and intuitive interface. You can find a Sony retailer using the dealer locator on the Sony Car Audio website. Be sure to subscribe to Sony’s YouTube channel and follow them on Facebook and Instagram to be the first to learn about their latest car audio product releases.

This article is written and produced by the team at www.BestCarAudio.com. Reproduction or use of any kind is prohibited without the express written permission of 1sixty8 media.

Filed Under: ARTICLES, Car Audio, PRODUCTS, RESOURCE LIBRARY Tagged With: Sony

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