If you’re planning on having someone upgrade the stereo system in a late-model car or truck, you need to know about all-pass filters. Sometimes called phase EQ or phase rotator filters, this type of signal processing is used in multichannel audio systems to help deliver improved frequency response at the listening position. The concept can Read More…

When it comes to feeding a signal into a digital signal processor, most high-quality units provide your installer with a few options. While even the most basic include RCA inputs, some add the ability to accept speaker-level signals or digital signals in a variety of formats. Once an audio signal is inside the processor, the Read More…

When it comes to choosing sound deadening, not every option on the market is the same quality. Different materials, varying thicknesses of butyl and aluminum, and options for foam or lead mean that some research is required before you settle on a solution. In this article, we’ll explain what to look for and what to Read More…

Having a digital signal processor in your car audio system is a necessity if you expect your music to sound accurate. We’ve told you many times that speakers are essential to getting great sound. While 100% true, so is the need to calibrate the output of those speakers to work with the acoustics of the Read More…

As we’ve mentioned before, upgrading the audio systems in new cars and trucks is becoming more and more complicated. Features like crossovers, all-pass filters, volume-dependent loudness control and equalization can make the stock system sound respectable with stock speakers, but they present a significant challenge to drivers when it’s time to upgrade. Let’s look at Read More…

Over the years, we’ve highlighted car audio installations that look amazing and we’ve explained some of the science that goes into making those systems sound great. A professional car audio installation technician needs to possess a unique set of skills that includes a certain amount of creativity, as well as a detailed understanding of how Read More…

When it comes to correlating how the parameters of a speaker translate into music reproduction, well, the details are often somewhat sparse. One speaker characteristic that’s often overlooked when searching for new subwoofers or woofers is Q. This unitless number is a key component in describing how the suspension and motor work to control and Read More…

One trait that has come to be universally expected among luxury vehicles is the quietness of their interior. Once exclusive to such premium vehicles as Mercedes, Audi, BMW and Rolls-Royce, companies like Hyundai and Kia are delivering startlingly quiet interiors. In addition to minimizing road and wind noise, the drone of an exhaust system and Read More…

When it comes to car audio amplifiers, people often mistake quality with high power ratings. This misperception has led to manufacturers coming up with every angle or trick possible to measure as much power as possible from their designs. Many manufacturers publish both continuous low-distortion specs as well as maximum power ratings. Are the high Read More…

The number of times a consumer has asked for a set of speakers based on power ratings is incomprehensibly huge. They ask for 300-watt 6×9’s or a 1,000-watt subwoofer without understanding how the power ratings are created. Let’s quickly review what it takes to make a speaker that can handle a lot of power and Read More…

Jeep Wranglers are surprisingly popular vehicles, given their heritage as a wartime tool. They aren’t particularly stylish, and they don’t handle as well as a regular car. These issues aside, they sell like crazy. In 2017, Jeep launched the fourth-generation Wrangler with improved aerodynamics, a larger interior and better fuel economy. Unless you opted for Read More…

If we can take anything useful away from the 1984 movie “This is Spinal Tap,” we know that “turning it to 11” is for those times when you need your car audio system to play louder than loud. While the concept seems like a lot of fun when your favorite song comes on, playing your Read More…

If you’re shopping for a subwoofer amplifier for your car stereo system, you may have noticed that some have two sets of speaker terminals. In most cases, it’s reasonable to assume that an amp with two positive and two negative speaker connections would be a stereo amp. As you’ll soon see, this isn’t always the Read More…

There’s no denying that sound deadening is one of the easiest ways to enhance the comfort of your vehicle and improve the performance of your car audio system. Many kinds of deadening have been available over the years. Let’s take a close look at some of the most common technologies and explain the terminology used Read More…

When choosing a subwoofer system for your car or truck, picking the right products can be the difference between accurate and musical bass or a sloppy, boomy mess. Over the decades, small subwoofers have gained a reputation for being described as faster than those with larger cone diameters. Is woofer speed a thing? Can we Read More…

For decades, stereo and multichannel amplifiers have offered the option of bridging to deliver significant power to a single speaker. Whether you refer to it as bridging, a bridge-tied load (BTL) or strapping, the process is the same. Curious how it works? Read on and we’ll explain. How Most Stereo Car Audio Amplifiers Work If Read More…