A while back, we examined the difference in sound quality between wired and wireless Apple CarPlay. Now that many Android-based smartphones have access to additional audio streaming codecs like LDAC and aptX, it’s time to check out how they perform in terms of signal accuracy and frequency response. We’ll use the Sony XAV-9000ES digital media Read More…

Many professionals in the car audio industry started their careers as novices installing equipment for themselves or friends in their driveways and garages. That hands-on experience typically led to a job at a local shop and allowed them to learn more about electrical theory, acoustics, physics, and fabrication. Those who have invested time in understanding Read More…

While participating in some brand-specific online discussion groups, we often encounter the question: “Is it better to use two good subs or one great one?” Are two 12-inch KICKER L7S subs better than a SoloX? Should you opt for two Hertz Cento CS 250 S4s instead of a Mille ML 2500.3 Legend? What about choosing Read More…

Having music playing while driving is not only entertaining, but it can be very relaxing. Enjoying your favorite songs while stuck in traffic or on a long drive can help time pass much quicker. We recently received a question from one of our readers about the best way to manage a large music collection. Specifically, Read More…

Over the years, many car audio enthusiasts have complained that while new speakers made their car stereo systems sound better, the new speakers didn’t make the systems any louder. In fact, the more you work to upgrade your speakers, the more you often find that you have traded efficiency for smooth frequency, accuracy and clarity. Read More…

A short while ago, while testing an amplifier’s maximum power output, we observed how significantly the power increased with higher supply voltage. This observation made us realize that we’ve never thoroughly examined the relationship between a vehicle’s battery voltage and a car audio amplifier’s maximum power output. It’s time to address that. Why Does Battery Read More…

When 99% of car audio enthusiasts think about a digital signal processor (DSP), they associate it with equalizers, crossovers, and signal delays. In more advanced solutions, a consumer-grade car audio DSP might add the ability to include all-pass filters, an upmixer for a center channel and signal summing. However, at an engineering level, much more Read More…

Crossovers are an essential part of designing any audio system. From the passive designs used with a bookshelf or floor-standing speaker to three- and four-way electronic designs employed in car audio systems, ensuring signals combine correctly is crucial for delivering great sound. Crossovers can have different frequencies, slopes, and alignments. Understanding how audio signals from Read More…

Though it might surprise you, human hearing is significantly more sensitive to some frequencies than others. You can think of this phenomenon as our built-in frequency response. However, unlike a speaker or amplifier, variations are not something we want to compensate for in an audio system—at least, not directly. Let’s discuss how human hearing works Read More…

A reader requested that we compare the sound quality performance of wired and wireless Apple CarPlay. This is a great idea, as very little information is provided about the communication standards used to send audio signals wirelessly to a source unit. So, let’s look at distortion characteristics and frequency response to see if there is Read More…

Unlike home audio systems, car stereo upgrades have to withstand harsh conditions. Your car, truck or SUV subjects your system to vibration, bumps and massive temperature changes. At home, as long as there isn’t a flood, everything should work fine for decades with regular dusting. Your car stereo system might not be quite as foolproof. Read More…

One of the most common questions we receive is whether you can use car audio products, like radios and amplifiers, in the home or shop. The answer is a resounding yes! However, the real challenge lies in finding a suitable power supply, especially for high-power amplifiers. We’ve recently dedicated a significant amount of time to Read More…

Even though most car audio speakers are chosen without regard for genuine performance, our goal of educating consumers remains steadfast: If you’re searching for a high-quality car audio system, understanding how speakers work and what differentiates the great from the mediocre is essential. In this article, we’ll explore the topic of speaker inductance, what affects Read More…

If you’ve looked at an amplifier installation kit, you’ll see it comes with about 17 feet of power wire, a shorter length of ground wire and a fuse holder. The intent of this fuse holder is for it to be installed as close as possible to the positive battery terminal. As for the fuse size, Read More…

If you’re looking for the best performance from your car audio system, the limitations of Bluetooth sound quality might be holding you back. Even if you’re streaming lossless or high-res files from Tidal or audio files stored directly on your phone, wireless connections to a car audio source unit are often optimized for bandwidth, not Read More…

The final article in our series on understanding high-end car audio systems moves away from the need for accurate system design, integration, configuration and calibration to discuss audio product quality. If you’ve been a long-time reader of the articles at BestCarAudio.com, you know that we put a significant emphasis on identifying car audio products that Read More…

The third article in our series on understanding high-end car audio systems delves into the fascinating world of imaging. In essence, imaging is the ability of an audio system to recreate the precise location of a performer or instrument on a soundstage. While not all recordings excel in this aspect, some are genuinely awe-inspiring. Let’s Read More…

Every speaker, be it a tweeter, midrange driver, woofer or subwoofer, will have a sensitivity rating. Sensitivity ratings attempt to describe how much sound a speaker will produce for a given amount of power from an amplifier. There’s a common misconception that more efficiency is better. Longtime readers of BestCarAudio.com won’t be surprised to learn Read More…

We recently witnessed a discussion on social media in which someone said that two 16 AWG wires could do the same work as a single 8 AWG wire. Unfortunately, the American Wire Gauge standard for stranded conductors isn’t intuitive in helping determine how multiple conductors can pass current. So let’s get geeky and do the Read More…

We’re back with the second of four articles discussing the listening experience of truly high-end car audio systems. In our first article, we discussed the importance of accurate frequency response. This second article will discuss the soundstage, provide a definition for it and explain why it’s crucial to recreating a recording accurately. What Is a Read More…

Shopping for a new car, pickup truck or SUV is impossible without being bombarded with information about ADAS technology. Advanced driver assistance systems are designed to help prevent accidents. These can be as simple as backup cameras and parking sensors or as advanced as lane keep assist and forward collision prevention systems. The latter can Read More…

In the 1980s, most car stereo shops had charts in the install bays that showed what size power wire should be used with different amplifiers. Some charts were based on current and cable length, while others suggested amplifier power ratings and lengths. In all cases, an essential piece of information was missing. Today, we’ll sort Read More…

High-quality speakers and proper installation are crucial when upgrading your car’s audio system. The ease with which your installer can reliably integrate tweeters into your vehicle will determine a portion of the labor cost. Will the technician need to fabricate a mounting bracket? Will they need to create a little pod? Is there even enough Read More…

A while back, we looked at how different subwoofer locations affected system performance in a Hyundai Santa Fe SUV. A client of ours asked if that information was relevant to a sedan. So, let’s take a cool little enclosure and see what happens when we try several different sedan subwoofer locations. The Test Subject Our Read More…

We’ve talked about how speaker power handling is tested and the importance of delivering accurate test data. In the context of car audio speakers, we’ve explained that the physical size of the voice coil is a crucial element in determining how much power a speaker can handle. In this article, we’ve put together a simple, Read More…

As we’ve mentioned many times, adding a subwoofer is one of the best upgrades you can make to a car audio system. We know that having a shop construct a custom enclosure isn’t always in the budget. Likewise, while impressive, high-end subwoofers aren’t in everyone’s price range. With all this said, there is one item Read More…

Undoubtedly, having a dashcam in your car or truck is one of the best ways to protect yourself from false accusations. Whether you experience a hit and run or are involved in a staged accident, video evidence can save you a lot of hassle, time and money. One feature that most high-quality dashcams offer is Read More…