Did you know that a difference of 20 watts of power between one car audio amplifier and another might be completely inaudible? That same 20-watt difference might mean having to keep your windows rolled up on the highway to hear your music. Let’s look at the physics of reproducing sound with moving-coil loudspeakers and why […]
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Your Installer Can’t Tune Out Distortion with a DSP
No matter how hard he or she tries, the installer who’s calibrating your car audio system can’t use a digital signal processor to tune distortion out of your system. We aren’t talking about the harmonic distortion that happens when a signal overloads the processor or an amplifier’s input stage. Preventing clipping is a simple process […]
Product Spotlight: Sony XAV-AX4000 Digital Multimedia Receiver
Over the last few years, Sony’s multimedia receivers have become increasingly popular. As more units have sold, retailers have asked for iDatalink Maestro integration, USB-C support and powerful sound customization. With Sony’s new XAV-AX4000, those requests and more have been fulfilled. Let’s look at what this sleek and impressive car audio source unit offers. Clean […]
Car Audio Amplifier Remote Level and Bass Boost Controls
Look at any of the top car audio subwoofer amplifier models available from specialty retailers. You’ll find that most include an option for a remote level control or bass boost function. Being able to fine-tune the output of your subwoofer system is great for those times when you want to rock out to an amazing […]
Upgrades for Your Chevrolet Suburban, Tahoe and GMC Yukon
As some of the largest people-movers on the road, the GMC Yukon and the Chevrolet Suburban and Tahoe can benefit from the countless upgrades that are available for them. Whether you want a subtle improvement in audio system performance with a custom-fit subwoofer solution or you want to shake the paint off the walls with […]
Saying ‘Gains Set Halfway’ Is Concerning to Car Audio Professionals
If you’ve browsed amateur car audio groups on Facebook, you’ve likely seen someone post that they have “set the gains halfway” on their amplifier. Their misguided theory is that this setting will limit the maximum amount of power the amplifier will produce. Saying this in the presence of a professional installer is the best way […]
Why Would Your Car Audio Amplifier or DSP Need a Bandpass Crossover?
When designing and integrating high-performance speakers into your car or truck, your local specialty car audio retailer might suggest choosing an amplifier or signal processor that includes a bandpass crossover. If you aren’t used to designing speaker systems, a task that most consumers don’t concern themselves with, then the term bandpass might be confusing. Please […]
Why Mid-Woofers Won’t Work Well in Small Speaker Enclosures
Dash pods, kick-panel enclosures and sealed enclosures in doors might look cool, but they aren’t always an ideal solution for a speaker that will attempt to produce bass. In this context, when we talk about bass, we are discussing audio frequencies below about 300 Hz. In this range, most drivers with a cone diameter of […]
Amazing Audio and Accessory Upgrades for Your Chevrolet Corvette
Since 1953, the Chevrolet Corvette has been an icon in the North American automotive industry. These two-seaters represent value and performance with styling that always lets them stand out from the crowd. Try as General Motors might, there’s still room for improvement, even on a flagship vehicle like this. Let’s look at some of the […]
Product Spotlight: Sony XM-4ES Mobile ES 4-Channel Power Amplifier
The addition of amplifiers to Sony’s Mobile ES line means that every component in a premium car audio system can come from this prestigious series. Our second amplifier spotlight focuses on the compact and powerful XM-4ES four-channel amplifier. Let’s see what Sony’s development team has created! Sony Mobile ES XM-4ES Amplifier Specifications The XM-4ES can […]