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 […]
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DSP Features You Might Not Have Known Existed
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 […]
Product Spotlight: Rockford Fosgate PP4-NT
Not long ago, we took a look at the impressive PPS4-10 10-inch Punch Pro midrange drivers from Rockford Fosgate. While they are great for keeping up with a trunk full of subwoofers, what works in terms of reproducing those high frequencies? This spotlight focuses on the Rockford Fosgate PP4-NT Punch Pro tweeter. Let’s check it […]
How Audio Signals Sum Around Crossover Points
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 […]
Unlocking the Secrets of Human Hearing: Understanding Weighting Curves in Audio
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 […]
Product Spotlight: Rockford Fosgate PPS4-10
What do you do when you need midrange speakers capable of keeping up with a pair of 15-inch Power Series subwoofers in the back of your SUV? The answer is the Rockford Fosgate PPS4-10 Punch Pro 10-inch speaker. These beasts boast a subwoofer-sized voice coil and handle 350 watts of power to ensure every word […]
CarPlay Sound Quality: Wired vs. Wireless—Which Is Better?
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 […]
Five Essential Car Audio Maintenance Tips
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. […]
Powering Car Audio Systems at Home: The Ultimate Power Supply Guide
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 […]
Product Spotlight: Compustar Pro T13 Remote Starter
Only a handful of reputable companies manufacture remote car starters, but one stands out for its innovative solutions—Compustar. Their flagship Pro T13 is the industry’s longest-range radio-frequency car starter remote. Combine that with features like proximity unlocking, an LCD screen, and intuitive controls, and this is the ultimate remote control solution. Let’s explore why range […]
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