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Frequency Response

2nd May 2025Do Aftermarket Speakers Really Make a Difference? Here’s the Truth

Categories: ARTICLES, Car Audio, Resource LibraryTags: Coaxial Speakers, Component Speakers, Equalization, Frequency Response, Sound Damping, Speakers

Do Aftermarket Speakers Really Make a Difference? Here’s the Truth

If you’re looking to improve the sound quality in your car, one of the first upgrades most people consider is replacing the factory-installed speakers. But do aftermarket speakers really make a difference, or is it just an unnecessary expense? Let’s take an in-depth look at how aftermarket speakers compare to stock speakers, what improvements they offer, and whether they’re Read more

23rd Aug 2024Unlocking the Secrets of Human Hearing: Understanding Weighting Curves in Audio

Categories: ARTICLES, Car AudioTags: A-Weighting, Ears, Frequency Response, Measurements, Signal-to-Noise Ratio, Sounds, Weighting Curves

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 with respect to different Read more

16th Aug 2024CarPlay Sound Quality Face-Off: Wired vs. Wireless—Which Is Better?

Categories: ARTICLES, Car Audio, Resource LibraryTags: Apple CarPlay, Bluetooth, Distortion, Frequency Response, iPhone, Kenwood, Radios

CarPlay Sound Quality Face-Off: 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 a performance difference. The Test Read more

15th Dec 2023Amplifier Differences, Part 1: Frequency Response

Categories: ARTICLES, Car AudioTags: Amplifiers, ARC Audio, Class D, Frequency Response, Richard Clark, Speakers, Stereophile, Subwoofers

Amplifier Differences, Part 1: Frequency Response

We’ve recently seen a resurfacing of keyboard commandos who claim that the ability to hear the differences between the amplifiers is hogwash. Those who have been around the car audio scene for a while often bring up Richard Clark’s famous $10,000 Amplifier Challenge to support their hypothesis that all amplifiers sound the same. If true, why do companies offer different Read more

13th Nov 2023Testing YouTube Audio Quality

Categories: ARTICLES, Car AudioTags: A/D Converters, AAC, Adobe Audition, D/A Converters, Distortion, FLAC, Frequency Response, H.264, MP3, MP4, MPEG-1, MPEG-4, MQA, QoBuz, Tidal, USB, WAV, WMA, YouTube

Testing YouTube Audio Quality

I was recently rewatching the YouTube video from GoldenSound about how he tested the quality of the MQA file format by uploading several test tones and part of a song to Tidal. His results showed without any shadow of a doubt that the MQA format didn’t meet many of the claims made by the company. This article isn’t about MQA, thankfully.I’ve often wondered about the quality Read more

18th Jan 2023Speaker Passive Crossover Networks Aren’t Universal

Categories: ARTICLES, Car AudioTags: Amplifiers, ARC Audio, Audison, Boston Acoustics, Clarion Canada Inc., Component Speakers, Digital Signal Processors, Frequency Response, Hertz, JBL, Mobile ES, Passive Crossovers, Rockford Fosgate, Sony, Speakers, Tweeters

Speaker Passive Crossover Networks Aren’t Universal

I often see people on Facebook Marketplace, eBay, Craigslist or Kijiji (in Canada) selling the passive crossover networks that came with their car audio component speaker sets. In most cases, these people have likely opted for an active system installation that uses a DSP and four dedicated amplifier channels to power their speaker system. An issue that many do-it-yourself car Read more

12th Aug 2020DSP 101 – How Signal Delay Can Improve Car Stereo Realism

Categories: ARTICLES, Car Audio, Resource LibraryTags: Digital Signal Processors, Frequency Response, Radios, Signal Delay, Sound Stage, Speakers

DSP 101 – How Signal Delay Can Improve Car Stereo Realism

When it comes to upgrading a car audio system with a digital signal processor, you’ll typically hear about a discussion of signal delay. Maybe people refer to this as time alignment or setting the delays. No matter what term is used, understanding the benefits and drawbacks of this technology is crucial to creating a car audio system that sounds amazing. Let’s Talk About Read more

7th Aug 2020DSP 101 – Proper Equalization Ensures Great Sound

Categories: ARTICLES, Car Audio, Resource LibraryTags: Digital Signal Processors, Equalizers, Frequency Response, Shelving Equalizer

DSP 101 – Proper Equalization Ensures Great Sound

As we roll forward with our look at the importance of digital signal processors in car audio systems, we’ll talk about the need for proper equalization. Even if you’ve purchased the best speakers available and invested in having them integrated into your vehicle with the utmost precision – compensating for the acoustic characteristics of the vehicle is necessary to achieve Read more

5th Aug 2020DSP 101: The Importance of Crossover Adjustments

Categories: ARTICLES, Resource LibraryTags: Crossovers, Digital Signal Processors, Frequency Response, Speakers

DSP 101: The Importance of Crossover Adjustments

As we continue our deep-dive into the functions of car audio digital signal processors, we’ve reached the topic of crossovers. Many people overlook the importance of configuring crossovers properly to achieve a smooth frequency response. Let’s take a look at what a crossover does and why your technician must set them correctly to protect your speakers. What Is a Read more

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