An afternoon of plowing through knee-high mud or bouncing off rocks in your favorite four-wheeler is a lot of fun! But proper preparation before embarking on your adventure will help to ensure that your day goes without issue. When it comes to preparation, a reliable electrical system and properly-installed accessories are as important as the Read More…
Product Spotlight: AudioControl Epicenter
If you have been around the car audio industry for any amount of time, then you have undoubtedly heard of the AudioControl Epicenter processor. Unlike most processors, the Epicenter is not a conventional device like an equalizer or crossover. The Epicenter can recreate low-frequency information by analyzing the harmonic content of your music and produce Read More…
Definitions: Speaker Parameters
The adage that someone could write a book about a subject certainly holds true when it comes to a discussion of loudspeakers and their parameters. In fact, there are dozens of great books already available about the subject. This article provides an overview of some of the most commonly discussed speaker parameters. What are Speaker Read More…
What To Look for When Shopping for Motorcycle Audio Speakers
Now that the weather is great all across the country, motorcycle enthusiasts have a chance to get their bikes out and go for a ride – but many riders complain that the factory audio systems on their bikes don’t sound as good as they’d like. There are several reasons why, and a few relatively easy Read More…
Hot Rod, RestoMod, and Restoration Source Unit Options
The stereotypical image of a “Woody” station wagon with a surfboard on the roof is missing one critically important element to make it part of the perfect day on the beach: an audio system. In the 1960s, the aftermarket car audio scene was weak. Compared to now, there weren’t any options for source units, speakers Read More…
Product Spotlight: Sony WX-GS920BH
Sony has just introduced the Double-DIN WX-GS920BH CD receiver, offering a beautiful, high-end solution with multiple ways to get your digital music into your dashboard while still providing the ability to play your classic CD tracks. With the popularity of smartphones and streaming audio solutions, CD sales have taken a back seat to digital entertainment Read More…
Automotive Battery Science: How Batteries Work
Your automotive battery is one of the most important, and most often overlooked, electrical components in your vehicle. If your battery is not in good condition, you can be stranded, and other components in your vehicle may be damaged. This article discusses how batteries work and how to take care of them. What is Inside Read More…
Product Spotlight: Momento M4
Firstech, the well-known manufacturer of the Compustar brand of remote vehicle starters and security systems, recently introduced the new Momento series of dash cameras. Having a dash cam in your vehicle is an inexpensive way to protect yourself against fraud because it can assist in settling disputes in the event of an accident. Read on Read More…
RCA Y-Cables, Friend or Foe?
If you spend any time reading car audio discussions on Facebook or in forums, then you will have undoubtedly come across comments involving the supposed drawbacks of using RCA Y-cables. There seems to be a lot of misconception or misunderstanding about how preamp signals works, and this misinformation leads to comments that aren’t always accurate. Read More…
Differential Inputs are Your Friend
In the 80s and 90s, it seemed like car audio installers were often having to resolve noise issues after installing a system that included an amplifier or signal processor. In many cases, the problem was called a ground loop. However, in some cases, the noise was present because one of the signal cables passed by Read More…
Product Spotlight: Sony XM-S400D
One of the most popular upgrades to a car audio system is to add an amplifier to the speakers. Providing your speakers with extra power allows them to play louder without fear of damage from harmonic distortion. Over the years, Sony has offered many different amplifier solutions that sound good and offer excellent value. Recently, Read More…
Bench Battle: Headunit Features vs. Performance
Awhile ago, a client asked us what you get when you buy a “better” headunit. The usual answer is that you get more features and improved functionality. Those of us with a drive for the ultimate in sound quality and realism from our mobile electronics systems choose products in hopes of them receiving improved sound Read More…
Custom Vented Enclosures-More Bang for Your Buck
We all know that the performance of different makes and models of speakers and subwoofers has a dramatic difference in how they sound. When it comes to the installation of subwoofers, the choice of enclosure plays a huge role in the sound of the subwoofer system. In this article, we look at some of the Read More…
Fuses: To Serve and Protect!
Let’s face it: Accidents happen. Minimizing the collateral damage from an accident is important. When you have a mobile electronics system that includes installing an amplifier in your vehicle, a discussion about fuses or circuit protection should take place before the installation begins. Choosing the right device to ensure your system works as intended and Read More…
Steering Wheel Audio Control Integration
When you go shopping for a new radio for your car, one of the many questions the product specialist should ask you is whether your existing radio has steering wheel-mounted audio controls. Almost every aftermarket radio has provisions to accept a signal that will give you steering wheel audio control functions like volume, source selection, Read More…
Does Preamp Voltage Matter?
For almost as long as there have been car audio enthusiasts, they have been adding amplifiers to their vehicles to increase the power available to drive their speakers. More power means we can turn the volume up higher without distortion. When it came to connecting amplifiers to speakers, the first power boosters connected to the Read More…
Rear Speakers – A Benefit or a Bad Habit?
For decades, automobile manufacturers have installed relatively large rear speakers in their vehicles. The stereotype of a set of 6×9 speakers sitting on the parcel shelf of a Monte Carlo is as “car audio” as it gets. As the industry has evolved, the importance of rear speakers has diminished. Are rear speakers necessary? Do they Read More…
What is Bluetooth?
If you have been around the mobile electronics industry for any amount of time, you will know that certain terms are often used incorrectly. One term that has been over-abused lately is Bluetooth. Product manufacturers, retailers and consumers have developed an expectation of what Bluetooth is, and what it does. Sadly, those expectations can lead Read More…
When it Comes to Subwoofer Specifications, Some Numbers Don’t Matter
If you are a mobile electronics enthusiast like we are, then it’s quite possible that you enjoy reading product specifications. You can learn a lot about the design and application of a product from the specs. Amplifier power ratings are probably the most popular specs, but there are a lot more. One product specification that Read More…
Basics of OEM Integration in Your Newer Vehicle
Installing 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 Read More…
Product Spotlight: AudioControl DM-810 Digital Signal Processor
Over the past decade, the popularity of digital signal processing (DSP) in aftermarket audio systems has grown immensely. AudioControl, the long-time industry leader in signal processing, has launched its first foray into this market with a product called the DM-810. The DM-810 offers eight channels of input and 10 output channels, making it one of Read More…
Why are Speakers Different Sizes?
When 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 Read More…
Product Spotlight: Sony XAV-AX100 Media Receiver
Sony, one of the industry leaders in the design and manufacture of car audio products, recently launched their XAV-AX100 Media Receiver with Bluetooth. The XAV-AX100 is Sony’s first head unit with Apple CarPlay and Android Auto. Let’s see what makes this Double-DIN such a major success. Design and Interface The XAV-AX100 features a double-DIN front Read More…
Why Buy A Bigger Amplifier?
When an audio enthusiast goes shopping for an amplifier, the question of “how much power do I need?” comes up almost every time. There are a few factors to take into consideration when answering this question. This article looks at those factors and provides some technical background to help support your decision. Why Do We Read More…
What Is An MP3 File?
You cannot have talked about audio and computers any time in the last 15 years and not have heard of an MP3 file. MP3 audio files and websites, like the original Napster, started a shift in where, how and when people acquired music. If you are on the older end of the spectrum, like many Read More…
Amplifier Classes: Making Sense Out of Class AB and Class D Amps
Amplifiers have a very tough job. They have to take a very low voltage signal and increase it in amplitude so it can drive a speaker. In this transformation, we expect the signal to remain pure – no distortion or no noise should be added. We also want significant amounts of power to drive our Read More…
Acoustic Suspension Subwoofer Enclosures Explained
Enclosure, box or cabinet: Whatever you want to call them, where you install your speaker or subwoofer is critically important to their resulting performance. In this article, we focus on the simplest and most forgiving of enclosures to design and construct – the acoustic suspension or sealed enclosure. The Laws of Physics There are a Read More…
The Importance of Proper Cables and Wiring
Installing mobile electronics systems is not as easy as it used to be. In the “good old days,” cars were made from thick metal and didn’t have many electrical components. Modern vehicle construction makes use of the thinnest, lightest materials possible. These body panels are held together with non-conductive adhesives, and it seems that every Read More…
Car Audio Installation – The Good, Better, Best Approach
Installing mobile electronics in a vehicle is a balance of technical skill and creativity. From the seemingly simple task of connecting wires to the creation of a custom amp rack or subwoofer enclosure, each task requires the car audio installation technician to call upon many different skills. When it comes to installing audio gear in Read More…
What You Get When You Spend More Money On Speakers
Among the most under-appreciated components in any audio system are the speakers. You could be using the best source unit on the planet, an amazing amplifier, and the most esoteric of interconnects and speaker cables – but if you don’t have great speakers, you still won’t have great sound. Your speakers are the only link Read More…